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Question 1 This type of selection favors both extremes of the phenotype spectrum within a population. A. disruptive B. natural C. neutral D. stabilizing E. directional 5 points Question 2 On a molecular level, all organisms A. have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes. B. have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code. C. use different means of storing genetic information. D. have the same bases in DNA and RNA, but different amino acids in proteins. E. show no similarities. 5 points Question 3 Most mutations lead to a decreased chance of survival for the mutant organism. Rarely, a mutation can provide an increased chance of survival. These rare mutations provide a(n) _____________________ for the mutant. A. selective disadvantage B. environmental susceptibility C. adaptive D. directional shift E. selective advantage 5 points Question 4 After being produced in the seminiferous tubules, sperm mature in the A. seminal vesicle. B. vas deferens. C. epididymis. D. ejaculatory duct. E. urethra. 5 points Question 5 Random changes in gene frequency that occur in small populations describes the concept of A. genetic drift. B. adaptive radiation. C. parapatric speciation. D. sympatric speciation. E. convergent evolution. 5 points Question 6 The primary male hormone is A. produced throughout a male’s entire lifetime. B. produced in the brain. C. testosterone. D. estrogen. E. only involved in sperm production. 5 points Question 7 Which of the following statements about natural selection is true? A. Natural selection leads to increased likelihood of survival for certain individuals based on variation. The variation must come from outside the population. B. Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring. C. Natural selection causes variations to arise within a population. D. All individuals within a population have an equal likelihood of survival. Survival is based on chance. E. Natural selection leads to extinction. 5 points Question 8 Which of the following is not true of the punctuated equilibrium theory? A. It was inspired in part by patterns observed in the fossil record. B. It suggests that most species undergo little phenotypic change during most of their evolutionary duration. C. It suggests that subgroups diverge and evolve at about equal and constant rates. D. It appears to be well supported by the fossil record. E. It proposes that most evolutionary change is concentrated in relatively brief episodes of change. 5 points Question 9 Animals that possess both male and female sexual organs A. are hermaphroditic and typically cross-fertilize. B. are dioecious and typically self-fertilize. C. are parthenogenetic and typically self-fertilize. D. are hermaphroditic and typically ...
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Question 1 Random changes in gene frequency that occur in small .docx
Question 1
Random changes in gene frequency that occur in small populations describes the concept of
A.
convergent evolution.
B.
adaptive radiation.
C.
sympatric speciation.
D.
genetic drift.
E.
parapatric speciation.
5 points
Question 2
On a molecular level, all organisms
A.
have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes.
B.
have the same bases in DNA and RNA, but different amino acids in proteins.
C.
have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code.
D.
show no similarities.
E.
use different means of storing genetic information.
5 points
Question 3
Which of the following is the best description of an adaptation?
A.
a trait that will be beneficial in the future
B.
a trait that was beneficial to survival in the past
C.
an environmental change that selects for certain traits
D.
a trait that is of no advantage to survival
E.
a trait that is currently beneficial to survival
5 points
Question 4
Which of the following statements about natural selection is true?
A.
All individuals within a population have an equal likelihood of survival. Survival is based on chance.
B.
Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring.
C.
Natural selection leads to extinction.
D.
Natural selection causes variations to arise within a population.
E.
Natural selection leads to increased likelihood of survival for certain individuals based on variation. The variation must come from outside the population.
5 points
Question 5
Embryonic development includes all of the following except
A.
cleavage.
B.
growth.
C.
organogenesis.
D.
gastrulation.
E.
fertilization.
5 points
Question 6
Vestigial organs
A.
include the human appendix and wisdom teeth and a snake’s hipbones.
B.
did not have a function when they first developed, but do so today.
C.
are not found in present-day organisms.
D.
are similar in many organisms.
E.
must have evolved individually in different organisms.
5 points
Question 7
Most mutations lead to a decreased chance of survival for the mutant organism. Rarely, a mutation can provide an increased chance of survival. These rare mutations provide a(n) _____________________ for the mutant.
A.
directional shift
B.
selective disadvantage
C.
adaptive
D.
selective advantage
E.
environmental susceptibility
5 points
Question 8
Which of the following is not true of the punctuated equilibrium theory?
A.
It suggests that most species undergo little phenotypic change during most of their evolutionary duration.
B.
It proposes that most evolutionary change is concentrated in relatively brief episodes of change.
C.
It was inspired in part by patterns observed in the fossil record.
D.
It appears to be well supported by the fossil record.
E.
It suggests that subgroups diverge and evolve at about equal and constant rates.
5 poin ...
QUESTION 1Random changes in gene frequency that occur in small.docx
QUESTION 1
Random changes in gene frequency that occur in small populations describes the concept of
A.
sympatric speciation.
B.
parapatric speciation.
C.
convergent evolution.
D.
genetic drift.
E.
adaptive radiation.
5 points
QUESTION 2
Animals that possess both male and female sexual organs
A.
are dioecious and typically self-fertilize.
B.
are hermaphroditic and typically cross-fertilize.
C.
are dioecious and typically cross-fertilize.
D.
are parthenogenetic and typically self-fertilize.
E.
are hermaphroditic and typically self-fertilize.
5 points
QUESTION 3
Immature eggs are called
A.
blastocysts.
B.
basal cells.
C.
follicles.
D.
oocytes.
E.
ovaries.
5 points
QUESTION 4
On a molecular level, all organisms
A.
use different means of storing genetic information.
B.
have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes.
C.
have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code.
D.
have the same bases in DNA and RNA, but different amino acids in proteins.
E.
show no similarities.
5 points
QUESTION 5
The primary male hormone is
A.
only involved in sperm production.
B.
produced in the brain.
C.
testosterone.
D.
estrogen.
E.
produced throughout a male’s entire lifetime.
5 points
QUESTION 6
Up until the late eighteenth and early nineteenth centuries, many naturalists believed that all species of living organism(s) had been created separately and had remained unchanged since the creation. Around that time, scientific research provided findings that were contradictory to that idea. All of the following are findings that contradict the idea of a single creation. Choose the exception.
A.
Even though the limbs of various mammals carry out different functions (swimming, gliding, running, holding, etc.), the bone patterns are very similar.
B.
The limbs of some mammals serve the same purpose but their bone patterns are very different.
C.
Some fossils of extinct organisms are quite different from living organisms.
D.
The platypus is only found in Australia and the dodo was only found on Madagascar.
E.
As scientists explored more of the earth, they found that different groups of organisms were found in the different regions.
5 points
QUESTION 7
A population in Hardy-Weinberg equilibrium
A.
requires a small population size.
B.
is under no selective pressures.
C.
consists of genotype frequencies that are constantly changing.
D.
consists of allele frequencies that are constantly changing.
E.
is very common in nature.
5 points
QUESTION 8
Human chorionic gonadotropin (hCG)
A.
is produced by the amnion.
B.
is needed to form the placenta.
C.
acts as a hormone signaling menstruation.
D.
can be used to reveal pregnancy.
E.
is stored in the ovaries.
5 points
QUESTION 9
Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are
A.
produced in both male ...
Chapter 19 Review Questions
The document contains 20 multiple choice questions about animal biology concepts. It asks about the roles of bats, characteristics of animals, hypotheses of animal origins, evolutionary innovations in the animal kingdom, body structures like symmetry, germ layers and body cavities. The questions cover topics like sponges, cnidarians, flatworms, tapeworms and roundworms. It tests knowledge of the defining features, life cycles and examples of different phyla within the animal kingdom.
Question 1 Mammals have two traits that set them apart from all .docx
Question 1
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
body hair or fur, and milk production.
C.
four-chambered heart and milk production.
D.
amniotic eggs and milk production.
E.
four-chambered heart and body hair or fur.
5 points
Question 2
Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?
A.
fruits and flowers
B.
spores
C.
pollen and seeds
D.
vascular system
E.
roots, stems, and leaves
5 points
Question 3
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
endothermy
C.
insulating skin structures
D.
four-chambered heart
E.
milk production
5 points
Question 4
Lichens are
A.
parasitic interactions between a fungus and an alga.
B.
capable of causing some obscure diseases.
C.
insensitive to changes in the environment.
D.
only found growing on living matter.
E.
symbiotic associations between a fungus and an alga.
5 points
Question 5
In bryophytes, the rhizoids
A.
serve as attachment structures.
B.
are involved in reproduction.
C.
obtain nutrients.
D.
lure possible prey.
E.
obtain water.
5 points
Question 6
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
are acoelomate.
C.
display radial symmetry.
D.
possess setae on each segment.
E.
move by use of flagella.
5 points
Question 7
It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations except
A.
expansion of the human brain.
B.
development of the opposable thumb.
C.
use of brain power for abstract thought.
D.
bipedalism.
E.
toolmaking.
5 points
Question 8
This characteristic allows fungi to withstand heat and drought conditions.
A.
hyphae
B.
spores
C.
cell walls
D.
specialized organelles
E.
mycelia
5 points
Question 9
In general, mammals are not good at dispersing chili plant seeds because
A.
the chili seeds do not stick to the mammals’ fur.
B.
chili seeds are dispersed mainly by the wind.
C.
the seeds die as they pass through the digestive tract.
D.
the mammals are the main pollinators for the chili plant.
E.
the mammals do not travel very far before they release the chili seeds.
5 points
Question 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
B.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
C.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
D.
development of the versatile forelimb, multicellularity, origin of patterns o ...
1. A population in Hardy-Weinberg equilibriumA) consists of .docx
1. A population in Hardy-Weinberg equilibrium
A) consists of genotype frequencies that are constantly changing.
B) is under no selective pressures.
C) is very common in nature.
D) consists of allele frequencies that are constantly changing.
E) requires a small population size.
2. Which of the following is not true of the punctuated equilibrium theory?
A) It proposes that most evolutionary change is concentrated in relatively brief episodes of change.
B) It suggests that most species undergo little phenotypic change during most of their evolutionary duration.
C) It was inspired in part by patterns observed in the fossil record.
D) It appears to be well supported by the fossil record.
E) It suggests that subgroups diverge and evolve at about equal and constant rates.
3. Animals that possess both male and female sexual organs
A) are dioecious and typically self-fertilize.
B) are parthenogenetic and typically self-fertilize.
C) are dioecious and typically cross-fertilize.
D) are hermaphroditic and typically cross-fertilize.
E) are hermaphroditic and typically self-fertilize
4. On a molecular level, all organisms
A) have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes.
B) have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code.
C) use different means of storing genetic information.
D) have the same bases in DNA and RNA, but different amino acids in proteins.
E) show no similarities.
6. Which of the following statements about natural selection is true?
A) All individuals within a population have an equal likelihood of survival. Survival is based on chance.
B) Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring.
C) Natural selection leads to increased likelihood of survival for certain individuals based on variation. The variation must come from outside the population.
D) Natural selection leads to extinction.
E) Natural selection causes variations to arise within a population.
8. Which of the following is the best description of an adaptation?
A) a trait that will be beneficial in the future
B) a trait that is currently beneficial to survival
C) a trait that is of no advantage to survival
D) an environmental change that selects for certain traits
E) a trait that was beneficial to survival in the past
11. Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are
A) produced in the testes.
B) only produced in female humans.
C) produced in the ovaries.
D) produced in both male and female humans.
E) constantly secreted into the bloodstream of males.
14. Human chorionic gonadotropin (hCG)
A) is needed to form the placenta.
B) is stored in the ovaries.
C) is produced by the amnion.
D) acts as a hormone signaling menstruation.
E) can be used to reveal pregnancy.
15. Negative feedback loops act to
A) cause an erection of the penis when stimulated.
B) cause uterine contra ...
Gr.9-Reg.Science-Weekly-Prototype-LP-Wk-3-OK.docx
This document outlines a weekly prototype plan for a Science 9 class that covers non-Mendelian patterns of inheritance over 5 days. Each day focuses on a different topic: incomplete dominance on Monday, co-dominance on Tuesday, multiple alleles on Wednesday, solving related problems on Thursday, and reviewing the concepts on Friday. A variety of learning activities are provided, including defining terms, illustrating crosses with Punnett squares, solving genetics problems, and taking a test on Friday. The plan aims to explain different patterns of non-Mendelian inheritance and develop students' knowledge, skills, and honesty through these activities.
B3 lesson part two
This document provides an overview of the lessons to be covered in a module on life on Earth. It includes topics such as the variety of life, evolution, evidence of change, Charles Darwin's theories, the origins of species, inheritance, where life came from, sensing the environment, human evolution, and extinction. Each lesson includes objectives, key terms, and extension questions. The document guides students through the content that will be examined over the next 12 lessons and an end of module test.
Evolutionary stuff like macroevolution
New alleles usually enter a gene pool as single copies. Gregor Mendel showed through pea plant experiments that offspring are not a blending of parents' traits, disproving the prevailing theory of blending inheritance. Population genetics founded by Fisher, Wright, and Haldane examines how allele frequencies change in populations over time through natural selection and genetic drift. Speciation, when one species splits into two, is a mechanism of macroevolution as it allows major evolutionary changes between lineages. Evidence for macroevolution comes from fields like comparative anatomy, biogeography, and taxonomy.
Recommended
Question 1 Random changes in gene frequency that occur in small .docx
Question 1
Random changes in gene frequency that occur in small populations describes the concept of
A.
convergent evolution.
B.
adaptive radiation.
C.
sympatric speciation.
D.
genetic drift.
E.
parapatric speciation.
5 points
Question 2
On a molecular level, all organisms
A.
have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes.
B.
have the same bases in DNA and RNA, but different amino acids in proteins.
C.
have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code.
D.
show no similarities.
E.
use different means of storing genetic information.
5 points
Question 3
Which of the following is the best description of an adaptation?
A.
a trait that will be beneficial in the future
B.
a trait that was beneficial to survival in the past
C.
an environmental change that selects for certain traits
D.
a trait that is of no advantage to survival
E.
a trait that is currently beneficial to survival
5 points
Question 4
Which of the following statements about natural selection is true?
A.
All individuals within a population have an equal likelihood of survival. Survival is based on chance.
B.
Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring.
C.
Natural selection leads to extinction.
D.
Natural selection causes variations to arise within a population.
E.
Natural selection leads to increased likelihood of survival for certain individuals based on variation. The variation must come from outside the population.
5 points
Question 5
Embryonic development includes all of the following except
A.
cleavage.
B.
growth.
C.
organogenesis.
D.
gastrulation.
E.
fertilization.
5 points
Question 6
Vestigial organs
A.
include the human appendix and wisdom teeth and a snake’s hipbones.
B.
did not have a function when they first developed, but do so today.
C.
are not found in present-day organisms.
D.
are similar in many organisms.
E.
must have evolved individually in different organisms.
5 points
Question 7
Most mutations lead to a decreased chance of survival for the mutant organism. Rarely, a mutation can provide an increased chance of survival. These rare mutations provide a(n) _____________________ for the mutant.
A.
directional shift
B.
selective disadvantage
C.
adaptive
D.
selective advantage
E.
environmental susceptibility
5 points
Question 8
Which of the following is not true of the punctuated equilibrium theory?
A.
It suggests that most species undergo little phenotypic change during most of their evolutionary duration.
B.
It proposes that most evolutionary change is concentrated in relatively brief episodes of change.
C.
It was inspired in part by patterns observed in the fossil record.
D.
It appears to be well supported by the fossil record.
E.
It suggests that subgroups diverge and evolve at about equal and constant rates.
5 poin ...
QUESTION 1Random changes in gene frequency that occur in small.docx
QUESTION 1
Random changes in gene frequency that occur in small populations describes the concept of
A.
sympatric speciation.
B.
parapatric speciation.
C.
convergent evolution.
D.
genetic drift.
E.
adaptive radiation.
5 points
QUESTION 2
Animals that possess both male and female sexual organs
A.
are dioecious and typically self-fertilize.
B.
are hermaphroditic and typically cross-fertilize.
C.
are dioecious and typically cross-fertilize.
D.
are parthenogenetic and typically self-fertilize.
E.
are hermaphroditic and typically self-fertilize.
5 points
QUESTION 3
Immature eggs are called
A.
blastocysts.
B.
basal cells.
C.
follicles.
D.
oocytes.
E.
ovaries.
5 points
QUESTION 4
On a molecular level, all organisms
A.
use different means of storing genetic information.
B.
have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes.
C.
have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code.
D.
have the same bases in DNA and RNA, but different amino acids in proteins.
E.
show no similarities.
5 points
QUESTION 5
The primary male hormone is
A.
only involved in sperm production.
B.
produced in the brain.
C.
testosterone.
D.
estrogen.
E.
produced throughout a male’s entire lifetime.
5 points
QUESTION 6
Up until the late eighteenth and early nineteenth centuries, many naturalists believed that all species of living organism(s) had been created separately and had remained unchanged since the creation. Around that time, scientific research provided findings that were contradictory to that idea. All of the following are findings that contradict the idea of a single creation. Choose the exception.
A.
Even though the limbs of various mammals carry out different functions (swimming, gliding, running, holding, etc.), the bone patterns are very similar.
B.
The limbs of some mammals serve the same purpose but their bone patterns are very different.
C.
Some fossils of extinct organisms are quite different from living organisms.
D.
The platypus is only found in Australia and the dodo was only found on Madagascar.
E.
As scientists explored more of the earth, they found that different groups of organisms were found in the different regions.
5 points
QUESTION 7
A population in Hardy-Weinberg equilibrium
A.
requires a small population size.
B.
is under no selective pressures.
C.
consists of genotype frequencies that are constantly changing.
D.
consists of allele frequencies that are constantly changing.
E.
is very common in nature.
5 points
QUESTION 8
Human chorionic gonadotropin (hCG)
A.
is produced by the amnion.
B.
is needed to form the placenta.
C.
acts as a hormone signaling menstruation.
D.
can be used to reveal pregnancy.
E.
is stored in the ovaries.
5 points
QUESTION 9
Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are
A.
produced in both male ...
Chapter 19 Review Questions
The document contains 20 multiple choice questions about animal biology concepts. It asks about the roles of bats, characteristics of animals, hypotheses of animal origins, evolutionary innovations in the animal kingdom, body structures like symmetry, germ layers and body cavities. The questions cover topics like sponges, cnidarians, flatworms, tapeworms and roundworms. It tests knowledge of the defining features, life cycles and examples of different phyla within the animal kingdom.
Question 1 Mammals have two traits that set them apart from all .docx
Question 1
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
body hair or fur, and milk production.
C.
four-chambered heart and milk production.
D.
amniotic eggs and milk production.
E.
four-chambered heart and body hair or fur.
5 points
Question 2
Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?
A.
fruits and flowers
B.
spores
C.
pollen and seeds
D.
vascular system
E.
roots, stems, and leaves
5 points
Question 3
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
endothermy
C.
insulating skin structures
D.
four-chambered heart
E.
milk production
5 points
Question 4
Lichens are
A.
parasitic interactions between a fungus and an alga.
B.
capable of causing some obscure diseases.
C.
insensitive to changes in the environment.
D.
only found growing on living matter.
E.
symbiotic associations between a fungus and an alga.
5 points
Question 5
In bryophytes, the rhizoids
A.
serve as attachment structures.
B.
are involved in reproduction.
C.
obtain nutrients.
D.
lure possible prey.
E.
obtain water.
5 points
Question 6
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
are acoelomate.
C.
display radial symmetry.
D.
possess setae on each segment.
E.
move by use of flagella.
5 points
Question 7
It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations except
A.
expansion of the human brain.
B.
development of the opposable thumb.
C.
use of brain power for abstract thought.
D.
bipedalism.
E.
toolmaking.
5 points
Question 8
This characteristic allows fungi to withstand heat and drought conditions.
A.
hyphae
B.
spores
C.
cell walls
D.
specialized organelles
E.
mycelia
5 points
Question 9
In general, mammals are not good at dispersing chili plant seeds because
A.
the chili seeds do not stick to the mammals’ fur.
B.
chili seeds are dispersed mainly by the wind.
C.
the seeds die as they pass through the digestive tract.
D.
the mammals are the main pollinators for the chili plant.
E.
the mammals do not travel very far before they release the chili seeds.
5 points
Question 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
B.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
C.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
D.
development of the versatile forelimb, multicellularity, origin of patterns o ...
1. A population in Hardy-Weinberg equilibriumA) consists of .docx
1. A population in Hardy-Weinberg equilibrium
A) consists of genotype frequencies that are constantly changing.
B) is under no selective pressures.
C) is very common in nature.
D) consists of allele frequencies that are constantly changing.
E) requires a small population size.
2. Which of the following is not true of the punctuated equilibrium theory?
A) It proposes that most evolutionary change is concentrated in relatively brief episodes of change.
B) It suggests that most species undergo little phenotypic change during most of their evolutionary duration.
C) It was inspired in part by patterns observed in the fossil record.
D) It appears to be well supported by the fossil record.
E) It suggests that subgroups diverge and evolve at about equal and constant rates.
3. Animals that possess both male and female sexual organs
A) are dioecious and typically self-fertilize.
B) are parthenogenetic and typically self-fertilize.
C) are dioecious and typically cross-fertilize.
D) are hermaphroditic and typically cross-fertilize.
E) are hermaphroditic and typically self-fertilize
4. On a molecular level, all organisms
A) have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes.
B) have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code.
C) use different means of storing genetic information.
D) have the same bases in DNA and RNA, but different amino acids in proteins.
E) show no similarities.
6. Which of the following statements about natural selection is true?
A) All individuals within a population have an equal likelihood of survival. Survival is based on chance.
B) Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring.
C) Natural selection leads to increased likelihood of survival for certain individuals based on variation. The variation must come from outside the population.
D) Natural selection leads to extinction.
E) Natural selection causes variations to arise within a population.
8. Which of the following is the best description of an adaptation?
A) a trait that will be beneficial in the future
B) a trait that is currently beneficial to survival
C) a trait that is of no advantage to survival
D) an environmental change that selects for certain traits
E) a trait that was beneficial to survival in the past
11. Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are
A) produced in the testes.
B) only produced in female humans.
C) produced in the ovaries.
D) produced in both male and female humans.
E) constantly secreted into the bloodstream of males.
14. Human chorionic gonadotropin (hCG)
A) is needed to form the placenta.
B) is stored in the ovaries.
C) is produced by the amnion.
D) acts as a hormone signaling menstruation.
E) can be used to reveal pregnancy.
15. Negative feedback loops act to
A) cause an erection of the penis when stimulated.
B) cause uterine contra ...
Gr.9-Reg.Science-Weekly-Prototype-LP-Wk-3-OK.docx
This document outlines a weekly prototype plan for a Science 9 class that covers non-Mendelian patterns of inheritance over 5 days. Each day focuses on a different topic: incomplete dominance on Monday, co-dominance on Tuesday, multiple alleles on Wednesday, solving related problems on Thursday, and reviewing the concepts on Friday. A variety of learning activities are provided, including defining terms, illustrating crosses with Punnett squares, solving genetics problems, and taking a test on Friday. The plan aims to explain different patterns of non-Mendelian inheritance and develop students' knowledge, skills, and honesty through these activities.
B3 lesson part two
This document provides an overview of the lessons to be covered in a module on life on Earth. It includes topics such as the variety of life, evolution, evidence of change, Charles Darwin's theories, the origins of species, inheritance, where life came from, sensing the environment, human evolution, and extinction. Each lesson includes objectives, key terms, and extension questions. The document guides students through the content that will be examined over the next 12 lessons and an end of module test.
Evolutionary stuff like macroevolution
New alleles usually enter a gene pool as single copies. Gregor Mendel showed through pea plant experiments that offspring are not a blending of parents' traits, disproving the prevailing theory of blending inheritance. Population genetics founded by Fisher, Wright, and Haldane examines how allele frequencies change in populations over time through natural selection and genetic drift. Speciation, when one species splits into two, is a mechanism of macroevolution as it allows major evolutionary changes between lineages. Evidence for macroevolution comes from fields like comparative anatomy, biogeography, and taxonomy.
QUESTION 1All of the following are parts of a flower except the.docx
QUESTION 1
All of the following are parts of a flower except the
A.
carpel.
B.
ovary.
C.
fruit.
D.
stamen.
E.
cuticle.
QUESTION 2
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
possess setae on each segment.
C.
are acoelomate.
D.
display radial symmetry.
E.
move by use of flagella.
QUESTION 3
In bryophytes, the rhizoids
A.
obtain nutrients.
B.
are involved in reproduction.
C.
obtain water.
D.
lure possible prey.
E.
serve as attachment structures.
QUESTION 4
Which of the following is not a characteristic differentiating Neanderthals from modern humans?
A.
Neanderthals had smaller brains.
B.
Neanderthals had larger noses.
C.
Neanderthals had projecting brow ridges.
D.
Neanderthals were shorter.
E.
Neanderthals were stronger.
QUESTION 5
Fungi exhibit certain characteristics. One of these characteristics is that they
A.
are capable of carrying on photosynthesis.
B.
lack cell nuclei.
C.
reproduce using seeds and pollen.
D.
reproduce using spores.
E.
are prokaryotes.
QUESTION 6
In plants, the secondary metabolites are primarily responsible for
A.
food gathering.
B.
nutrition.
C.
defense.
D.
protection against ultraviolet radiation.
E.
overcoming air pollutants.
QUESTION 7
In cnidarians, nematocysts are important in
A.
obtaining oxygen from the water.
B.
obtaining prey.
C.
movement.
D.
excretion of wastes.
E.
food digestion.
QUESTION 8
Cnidarians and ctenophores are similar in that they both have
A.
a pseudocoel.
B.
a digestive tract with two openings.
C.
radial symmetry.
D.
mesoderm.
E.
nematocysts.
QUESTION 9
All members of the phylum Chordata share
A.
exoskeletons.
B.
gills present throughout their lives.
C.
tails present throughout their lives.
D.
a vertebral column.
E.
a notochord present sometime in their lives.
QUESTION 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
B.
development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.
C.
multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.
D.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
E.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
QUESTION 11
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
four-chambered heart and milk production.
C.
amniotic eggs and milk production.
D.
body hair or fur, and milk production.
E.
four-chambered heart and body hair or fur.
QUESTION 12
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
insulating skin ...
Genetics_SBB_1204_Part_I_Mendelism_and_Post-Mendelism.pptx
This document provides an overview of genetics and Mendelian inheritance. It defines key genetics terms and discusses pre-Mendelian theories of inheritance. It then summarizes Gregor Mendel's experiments with pea plants in which he demonstrated the laws of segregation and independent assortment during monohybrid and dihybrid crosses. Mendel's work laid the foundation for modern genetics although his findings were not widely recognized until after his death.
REPRODUCTION IN ANIMALS- class 8.docx
The document discusses reproduction in animals. It begins by explaining the importance of reproduction in ensuring the continuity of life across generations. It then describes the process of fertilization in humans, where a sperm fuses with an egg to form a single-celled zygote. The document provides questions and answers about internal and external fertilization, the development of a tadpole into a frog through metamorphosis, and the number of nuclei present in a zygote. It also includes true/false questions testing understanding of key reproduction terms and concepts.
Alyssa garcia amber_bennett_raf.ppt
1. Homologous structures and similarities in embryonic development across species suggest they share a common ancestor and underwent evolutionary change over time.
2. Homologous structures are structures that appear similar in form but may differ in function, while embryology shows embryonic cells develop in the same order across species.
3. Molecular biology can be used to trace evolution by examining DNA, RNA, and homologous molecules like Hox genes that direct body plan development, providing evidence of common descent.
unifying-themes-in-the-study-of-lifepptx (1).pptx
Here are the key steps to making a terrarium:
1. Choose a container such as a glass jar or plastic container with a lid. The container should be large enough to accommodate the plants and animals you want to include.
2. Add a drainage layer using small rocks, gravel, or charcoal to allow excess water to drain.
3. Add a soil layer using a soil suitable for the plants you've chosen. The soil should retain enough moisture but not become soggy.
4. Plant your plants and position decor such as sticks, stones, or moss. Choose plants that are suitable for low-light indoor conditions.
5. Add springtails or isopods to help break down
Chapter 9
The document contains 20 multiple choice questions about basic genetics concepts such as Mendel's laws of inheritance, alleles, dominance, genotypes, phenotypes, monohybrid and dihybrid crosses. The questions cover topics like inheritance of traits in dogs, traits studied by Mendel in peas, parts of flowers, gamete formation, and Punnett squares.
Cbse class 10 science chapter 9 heredity and evolution2015 11-09
This document contains a practice test for CBSE Class 10 Science Chapter 9 on Heredity and Evolution. It includes 25 multiple choice questions and true/false questions to test understanding of concepts related to inheritance of traits, genetic variation, natural selection, evolution, and Mendel's experiments with garden peas. The questions cover topics such as dominant and recessive traits, genetic drift, inheritance of sex chromosomes, DNA as the source of genetic information, and more.
Exam three study guide
This document contains summaries of key concepts from chapters 7-10 of a biology textbook. It addresses topics like inheritance of genes, Gregor Mendel's experiments with pea plants, Punnett squares, evolution via natural selection, speciation, the origin of life, and the biological species concept. For each chapter, it provides short answers to review questions about major ideas and examples discussed in the text.
Evolution class 9 gbs.pptx
The document discusses several key aspects of evolution including:
1. Organic evolution is the process by which living organisms change over time through natural selection.
2. There are five main types of evidence that support organic evolution including the fossil record, comparative anatomy, embryology, biogeography, and molecular biology.
3. The fossil record provides evidence of evolution over time by showing sequences of fossils that indicate later species developed from earlier ones through gradual changes.
B3 lesson part one
This document provides an overview of a 12-lesson course on life on Earth. It will cover topics such as the variety of life, evolution, evidence of change, Charles Darwin's theories of evolution, the origins of species, inheritance, where life came from, human evolution, extinction, and human-caused extinction. The first lesson focuses on the variety of life and how all living things are different due to genetic variations.
Day 11 oct 14th chapter 7 and 8
This document provides an overview of chapters 7 and 8 from a biology textbook. It discusses key topics like Mendelian inheritance, phenotypes and genotypes, probability in genetics, polygenic traits, sex-linked traits, evolution through natural selection, and evidence that supports evolution such as experiments on fruit flies and fossil records. The document uses bullet points, diagrams, and questions to highlight important concepts and terms from the chapters.
The-TIES-Middle-School-Evolution-Presentation-1-1.pptx
1) Evolution is the scientific theory that organisms are related by descent from common ancestors and that biological traits can change over generations through natural selection or genetic drift.
2) Evidence for evolution comes from multiple scientific disciplines including fossils, biogeography, embryology, and genetics. Comparisons of DNA, protein sequences, and anatomical structures among different species provide overwhelming support for the theory of evolution.
3) Natural selection is the primary mechanism of evolution. It occurs when heritable traits increase an organism's ability to survive and reproduce in its environment. Over generations, organisms best adapted to their environment will survive and pass on their favorable traits.
Origins oflifestations day1and2.ppt
This document outlines a lesson plan on evidence for the theory of evolution. It includes discussions of various topics that provide support, such as fossil evidence, comparative anatomy and embryology, biogeography, and molecular biology. Students explore these topics through vocabulary exercises, lab stations, and analysis questions. The lesson aims to explain how this scientific evidence from diverse areas of biology all points to common descent and evolution of modern organisms over time.
Chapter 1 assessment cut and paste
This document provides an overview of key concepts in biology. It discusses how biology is the study of life and how all living things derive energy from the sun, are composed of chemicals, and show organization at the cellular level. It also addresses how reproduction ensures the ongoing existence of species and how organisms maintain homeostasis.
1. One condition that seems to lead to senescence and not apoptosi.docx
1. One condition that seems to lead to senescence and not apoptosis in stem cells is
a. shortening of telomeres below a critical limit
b. base damage to DNA
c. unequal division of chromosomes at anaphase
d. none of the above
2. Knowing that even in the oldest people's stem cells seem to have many cell divisions left to them when cultured in vitro (in a dish), the you might contend that a possible reason for that was
a. Absence of inhibitory factors found in the old bodies in the new culture medium
b. factors in the cellular environment of old people's bodies
c.
The presence of high levels of growth factors in the culture serum
d. All of the above
3. In 1962, Leonard Hayflick conducted an experiment that supported Weismann's Theory of programmed death. He proposed The Hayflick Limit which can be reached faster by:
a. Increasing the rate of cell division
b. Underfeeding cells
c. Decreasing the rate of mutations
d. Synthetically elongating telomeres.
4. The antagonistic pleiotropy theory of aging assumes that each gene has only one effect on the phenotype of an organism at different stages of its life. True or False
5. In Conboy's study on heterochronic parabiotic pairs, which phrase described what future studies should focus on according to the results of this study?
a. adult stem cells
b. changes in aging cells
c. muscle cell regeneration
d. changes in aging plasma
6.- 7. Briefly explain what happened to old stem and progenitor cells in a young systemic environment.
8. Which substance is the most common in cells?
a. carbohydrates
b. salts and minerals
c. proteins
d. fats
e. water
9.
- 11. Describe how an enzyme may change the transcription patterns of a cell by adding chemical groups to histone proteins. What is this called?
12. Acetyl L-Carnitine/Alpha lipoic acid are ____________ that are produced naturally by the body in _______
a. Amino acids, large amounts
b. Antioxidants, small amounts
c. Toxins, abundance
d. ROS, trace amounts
13. Most genes that determine lifespan in C. elegans are directly in DNA repair. True or False
14.- 16. What is the preferable study group in mammalian testing of aging interventions Mice or monkeys? Why?
17 - 19. If you were to run a retirement community what would you do to improve the health/lives of the people who depend on you?
20. The ____________ ____________ theory , states that there exists a biological clock and a time dependent plan or program that directs a limitation to a lifespan?
a. DNA damage
b. Evolveabity Theory
c. Mutation-accumulation
d. free radical
21. - 24. Unlike inorganic objects like rocks or even computers (at present) , living organisms can repair damage or rebuild or even recycle damages at the sub-cellular level. Give three
instances cellular systems involved in repairing cellular damages.
25. . An often given example ...
Anatomical homology
The document discusses anatomical homology, which refers to similarities in anatomical structures between different species. It provides examples of homologous structures like bones in pig and human forelimbs. Common descent argues these similarities are due to inheritance from a common ancestor. However, some counter that homologous structures can arise through different developmental pathways or genes. While common ancestry explains some homologous structures, there are also examples like whale flippers and ichthyosaur flippers that likely evolved independently and are analogous rather than homologous.
examination on melcs1_2.pptx
Water is found in all living cells. An organism's metabolism refers to its ability to use energy for daily functions. The cell theory states that all organisms are made of one or more cells, cells are the basic unit of structure and function, and all cells come from pre-existing cells. The three scientists most responsible for developing the cell theory are Theodore Schwann, Matthias Schleiden, and Rudolf Virchow. For an entity to be considered living, it must exhibit all six characteristics shared by living things.
Biology paper 1&2 exam genetic 11 nal dic 11
This document contains instructions and questions for a biology exam consisting of two papers. Paper I contains 20 multiple choice questions testing core genetics concepts such as Mendelian inheritance, meiosis, mitosis, non-disjunction, and Down syndrome. Paper II contains longer, open-response questions involving applying genetics concepts like setting up punnett squares and interpreting pedigrees related to conditions like hemophilia. The exam is scheduled for Friday, December 9th, 2011 and students are instructed to show all work, use pen only, and write clearly.
Question 1What is biological evolutionthe development of tr.docx
Question 1
What is biological evolution?
the development of traits that organisms need in order to become more complex
gene changes in populations over many generations
the change that occurs in individuals as they try to survive in their environment
the steps by which the first life was created on earth from random molecules
Question 2
Which of the following BEST describes why the process of evolution is easier to study in fruit flies than in birds?
Fruit flies have a much shorter generation time than birds.
Fruit flies are smaller than birds.
Fruit flies have a simpler diet than birds.
Fruit flies do not live as long as birds.
Question 3
Which of the following groupings is the MOST appropriate according to the classification system developed by Linnaeus?
Group 1: whale, giant fruit bat, giant walking stick (an insect); Group 2: penguin, ostrich, human; Group 3: hummingbird, bee, water strider bug
Group 1: penguin, ostrich, hummingbird; Group 2: water strider bug, giant walking stick (an insect); Group 3: whale, human, giant fruit bat
Group 1: hummingbird, ostrich, bee; Group 2: whale, human, penguin; Group 3: giant walking stick (an insect), water strider bug, giant fruit bat
Group 1: penguin, water strider bug, whale; Group 2: ostrich, giant walking stick (an insect), human; Group 3: hummingbird, bee, giant fruit bat
Question 4
Polar bears from the Arctic do not produce offspring with the speckled bear of South America due to:
temporal isolation.
gamete incompatibility.
behavioral isolation.
spatial isolation.
Question 5
Which of the following statements BEST describes the current knowledge about Earth's biodiversity?
It is relatively common for scientists to discover new or fossil organisms that are completely different from other organisms.
Most species that have existed on Earth are alive today.
There is uncertainty about the diversity within various species.
Scientists generally agree that most species have been identified.
Question 6
Put the following in order of most inclusive to specific.
Species
Domain
Kingdom
Phyla
Genus
uestion 7
Match the following terms to the definition or example. Not every definition will be used.
Animalia
Bacteria
Viruses
Protista
Fungi
A.
nonliving microbes
B.
most diverse kingdom
C.
eukaryotic, multicellular organisms such as mushrooms
D.
eukaryotic, multicellular organisms such as mammals
E.
prokaryotes such as E. coli
F.
eukaryotic, multicellular organisms that make their own food
Question 8
Match the following terms to the definition or example. Not every definition will be used.
Diatoms
Cnidaria
Tapeworm
Earthworm
Arthropods
Vertebrates
Plants
Algae
Yeast
Mold
A.
Only protists that produce their own food
B.
Parasitic flatworms
C.
Single cells that produce a glass shell
D.
Provide drugs like aspirin and digitali
E.
Animals without backbones
F.
One of the most commercially important fungal forms
G.
Produces the flavor of cheese
H.
...
Biology and you chapter 1
The document provides an overview of key biology concepts such as the basic properties of life, cellular structure and function, metabolism, heredity, evolution, and ecology. It also discusses how biology can help address issues like population growth, feeding the world, and fighting diseases. The scientific process is outlined as a way for biologists to investigate biological questions and phenomena.
According to Davenport (2014) social media and health care are c.docx
Social media is collaborating with healthcare to meet the needs of providers and patients, and is moving toward using analytics to evaluate its value within healthcare. The document instructs the reader to research areas of social media that could benefit from an analytic model combining data and value-based analytics, then evaluate a resource by discussing five major social media stakeholder roles, whether social media could improve medical practice and provide rationale, and concluding with main points.
According to (Fatehi, Gordon & Florida, N.D.) theoretical orient.docx
According to (Fatehi, Gordon & Florida, N.D.) theoretical orientation represent styles of mind for understanding reality. This theoretical orientation can be organized as a continuum from theoretical constructs that are independent and concrete as with the Behavioral/ CBT theories, to theoretical constructs that are interdependent and abstract as with the Psychodynamic theories (Fatehi, Gordon & Florida, N.D.). Family systems and Humanistic/Existential are theoretical midpoints (Fatehi, Gordon & Florida, N.D.). Trait theory tends to focus on the premise that we are born with traits or characteristics that make us unique and explain our behaviors (Cervone& Pervin, 2019). For example, introversion, extroversion, shyness, agreeableness, kindness, etc. all these innate characteristics that we are born help to explain why we behave in a certain manner according to the situations we face, (Cervone& Pervin, 2019). Psychoanalytic perspective on the other hand focuses on childhood experiences and the unconscious mind which plays a role in our personality development, (Cervone& Pervin, 2019).
According to Freud, (Cervone& Pervin, 2019) our unconscious mind includes all our hidden desires and conflicts which form the root cause of our mental health issues or maladaptive behaviors. The main difference between these two perspectives is that trait theory helps to explain why we behave in a certain manner, whereas psychoanalytic theory only describes the personality and predicting behavior and not really explaining why we behave the way we do. There is no such evident similarity between the two perspectives, but kind of rely on underlying mechanisms to explain personality. Also, there is some degree of subjectivity present in both the perspectives. Trait theories involve subjectivity regarding interpretations of which can be considered as important traits that explain our behaviors, and psychoanalytic theory is subjective and vague in the concepts been used like the unconscious mind. My opinions accord with the visible contrasts between the two, one focused on internal features describing our behaviors in clearer words, whilst other concentrating on unconscious mind in anticipating behavior which is ambiguous and harder to grasp.
References
Cervone, D., & Pervin, L. A. (2019). Personality: Theory and research (14th ed.). Wiley.
Fatehi, M., Gordon, R. M., & Florida, O. A Meta-Theoretical Integration of Psychotherapy Orientations.
.
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QUESTION 1
All of the following are parts of a flower except the
A.
carpel.
B.
ovary.
C.
fruit.
D.
stamen.
E.
cuticle.
QUESTION 2
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
possess setae on each segment.
C.
are acoelomate.
D.
display radial symmetry.
E.
move by use of flagella.
QUESTION 3
In bryophytes, the rhizoids
A.
obtain nutrients.
B.
are involved in reproduction.
C.
obtain water.
D.
lure possible prey.
E.
serve as attachment structures.
QUESTION 4
Which of the following is not a characteristic differentiating Neanderthals from modern humans?
A.
Neanderthals had smaller brains.
B.
Neanderthals had larger noses.
C.
Neanderthals had projecting brow ridges.
D.
Neanderthals were shorter.
E.
Neanderthals were stronger.
QUESTION 5
Fungi exhibit certain characteristics. One of these characteristics is that they
A.
are capable of carrying on photosynthesis.
B.
lack cell nuclei.
C.
reproduce using seeds and pollen.
D.
reproduce using spores.
E.
are prokaryotes.
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In plants, the secondary metabolites are primarily responsible for
A.
food gathering.
B.
nutrition.
C.
defense.
D.
protection against ultraviolet radiation.
E.
overcoming air pollutants.
QUESTION 7
In cnidarians, nematocysts are important in
A.
obtaining oxygen from the water.
B.
obtaining prey.
C.
movement.
D.
excretion of wastes.
E.
food digestion.
QUESTION 8
Cnidarians and ctenophores are similar in that they both have
A.
a pseudocoel.
B.
a digestive tract with two openings.
C.
radial symmetry.
D.
mesoderm.
E.
nematocysts.
QUESTION 9
All members of the phylum Chordata share
A.
exoskeletons.
B.
gills present throughout their lives.
C.
tails present throughout their lives.
D.
a vertebral column.
E.
a notochord present sometime in their lives.
QUESTION 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
B.
development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.
C.
multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.
D.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
E.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
QUESTION 11
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
four-chambered heart and milk production.
C.
amniotic eggs and milk production.
D.
body hair or fur, and milk production.
E.
four-chambered heart and body hair or fur.
QUESTION 12
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
insulating skin ...
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1. One condition that seems to lead to senescence and not apoptosis in stem cells is
a. shortening of telomeres below a critical limit
b. base damage to DNA
c. unequal division of chromosomes at anaphase
d. none of the above
2. Knowing that even in the oldest people's stem cells seem to have many cell divisions left to them when cultured in vitro (in a dish), the you might contend that a possible reason for that was
a. Absence of inhibitory factors found in the old bodies in the new culture medium
b. factors in the cellular environment of old people's bodies
c.
The presence of high levels of growth factors in the culture serum
d. All of the above
3. In 1962, Leonard Hayflick conducted an experiment that supported Weismann's Theory of programmed death. He proposed The Hayflick Limit which can be reached faster by:
a. Increasing the rate of cell division
b. Underfeeding cells
c. Decreasing the rate of mutations
d. Synthetically elongating telomeres.
4. The antagonistic pleiotropy theory of aging assumes that each gene has only one effect on the phenotype of an organism at different stages of its life. True or False
5. In Conboy's study on heterochronic parabiotic pairs, which phrase described what future studies should focus on according to the results of this study?
a. adult stem cells
b. changes in aging cells
c. muscle cell regeneration
d. changes in aging plasma
6.- 7. Briefly explain what happened to old stem and progenitor cells in a young systemic environment.
8. Which substance is the most common in cells?
a. carbohydrates
b. salts and minerals
c. proteins
d. fats
e. water
9.
- 11. Describe how an enzyme may change the transcription patterns of a cell by adding chemical groups to histone proteins. What is this called?
12. Acetyl L-Carnitine/Alpha lipoic acid are ____________ that are produced naturally by the body in _______
a. Amino acids, large amounts
b. Antioxidants, small amounts
c. Toxins, abundance
d. ROS, trace amounts
13. Most genes that determine lifespan in C. elegans are directly in DNA repair. True or False
14.- 16. What is the preferable study group in mammalian testing of aging interventions Mice or monkeys? Why?
17 - 19. If you were to run a retirement community what would you do to improve the health/lives of the people who depend on you?
20. The ____________ ____________ theory , states that there exists a biological clock and a time dependent plan or program that directs a limitation to a lifespan?
a. DNA damage
b. Evolveabity Theory
c. Mutation-accumulation
d. free radical
21. - 24. Unlike inorganic objects like rocks or even computers (at present) , living organisms can repair damage or rebuild or even recycle damages at the sub-cellular level. Give three
instances cellular systems involved in repairing cellular damages.
25. . An often given example ...
Anatomical homology
The document discusses anatomical homology, which refers to similarities in anatomical structures between different species. It provides examples of homologous structures like bones in pig and human forelimbs. Common descent argues these similarities are due to inheritance from a common ancestor. However, some counter that homologous structures can arise through different developmental pathways or genes. While common ancestry explains some homologous structures, there are also examples like whale flippers and ichthyosaur flippers that likely evolved independently and are analogous rather than homologous.
examination on melcs1_2.pptx
Water is found in all living cells. An organism's metabolism refers to its ability to use energy for daily functions. The cell theory states that all organisms are made of one or more cells, cells are the basic unit of structure and function, and all cells come from pre-existing cells. The three scientists most responsible for developing the cell theory are Theodore Schwann, Matthias Schleiden, and Rudolf Virchow. For an entity to be considered living, it must exhibit all six characteristics shared by living things.
Biology paper 1&2 exam genetic 11 nal dic 11
This document contains instructions and questions for a biology exam consisting of two papers. Paper I contains 20 multiple choice questions testing core genetics concepts such as Mendelian inheritance, meiosis, mitosis, non-disjunction, and Down syndrome. Paper II contains longer, open-response questions involving applying genetics concepts like setting up punnett squares and interpreting pedigrees related to conditions like hemophilia. The exam is scheduled for Friday, December 9th, 2011 and students are instructed to show all work, use pen only, and write clearly.
Question 1What is biological evolutionthe development of tr.docx
Question 1
What is biological evolution?
the development of traits that organisms need in order to become more complex
gene changes in populations over many generations
the change that occurs in individuals as they try to survive in their environment
the steps by which the first life was created on earth from random molecules
Question 2
Which of the following BEST describes why the process of evolution is easier to study in fruit flies than in birds?
Fruit flies have a much shorter generation time than birds.
Fruit flies are smaller than birds.
Fruit flies have a simpler diet than birds.
Fruit flies do not live as long as birds.
Question 3
Which of the following groupings is the MOST appropriate according to the classification system developed by Linnaeus?
Group 1: whale, giant fruit bat, giant walking stick (an insect); Group 2: penguin, ostrich, human; Group 3: hummingbird, bee, water strider bug
Group 1: penguin, ostrich, hummingbird; Group 2: water strider bug, giant walking stick (an insect); Group 3: whale, human, giant fruit bat
Group 1: hummingbird, ostrich, bee; Group 2: whale, human, penguin; Group 3: giant walking stick (an insect), water strider bug, giant fruit bat
Group 1: penguin, water strider bug, whale; Group 2: ostrich, giant walking stick (an insect), human; Group 3: hummingbird, bee, giant fruit bat
Question 4
Polar bears from the Arctic do not produce offspring with the speckled bear of South America due to:
temporal isolation.
gamete incompatibility.
behavioral isolation.
spatial isolation.
Question 5
Which of the following statements BEST describes the current knowledge about Earth's biodiversity?
It is relatively common for scientists to discover new or fossil organisms that are completely different from other organisms.
Most species that have existed on Earth are alive today.
There is uncertainty about the diversity within various species.
Scientists generally agree that most species have been identified.
Question 6
Put the following in order of most inclusive to specific.
Species
Domain
Kingdom
Phyla
Genus
uestion 7
Match the following terms to the definition or example. Not every definition will be used.
Animalia
Bacteria
Viruses
Protista
Fungi
A.
nonliving microbes
B.
most diverse kingdom
C.
eukaryotic, multicellular organisms such as mushrooms
D.
eukaryotic, multicellular organisms such as mammals
E.
prokaryotes such as E. coli
F.
eukaryotic, multicellular organisms that make their own food
Question 8
Match the following terms to the definition or example. Not every definition will be used.
Diatoms
Cnidaria
Tapeworm
Earthworm
Arthropods
Vertebrates
Plants
Algae
Yeast
Mold
A.
Only protists that produce their own food
B.
Parasitic flatworms
C.
Single cells that produce a glass shell
D.
Provide drugs like aspirin and digitali
E.
Animals without backbones
F.
One of the most commercially important fungal forms
G.
Produces the flavor of cheese
H.
...
Biology and you chapter 1
The document provides an overview of key biology concepts such as the basic properties of life, cellular structure and function, metabolism, heredity, evolution, and ecology. It also discusses how biology can help address issues like population growth, feeding the world, and fighting diseases. The scientific process is outlined as a way for biologists to investigate biological questions and phenomena.
Similar to Question 1 This type of selection favors both extremes of the .docx (20)
QUESTION 1All of the following are parts of a flower except the.docx
QUESTION 1All of the following are parts of a flower except the.docx
Genetics_SBB_1204_Part_I_Mendelism_and_Post-Mendelism.pptx
Genetics_SBB_1204_Part_I_Mendelism_and_Post-Mendelism.pptx
Cbse class 10 science chapter 9 heredity and evolution2015 11-09
Cbse class 10 science chapter 9 heredity and evolution2015 11-09
The-TIES-Middle-School-Evolution-Presentation-1-1.pptx
The-TIES-Middle-School-Evolution-Presentation-1-1.pptx
1. One condition that seems to lead to senescence and not apoptosi.docx
1. One condition that seems to lead to senescence and not apoptosi.docx
Question 1What is biological evolutionthe development of tr.docx
Question 1What is biological evolutionthe development of tr.docx
More from makdul
According to Davenport (2014) social media and health care are c.docx
Social media is collaborating with healthcare to meet the needs of providers and patients, and is moving toward using analytics to evaluate its value within healthcare. The document instructs the reader to research areas of social media that could benefit from an analytic model combining data and value-based analytics, then evaluate a resource by discussing five major social media stakeholder roles, whether social media could improve medical practice and provide rationale, and concluding with main points.
According to (Fatehi, Gordon & Florida, N.D.) theoretical orient.docx
According to (Fatehi, Gordon & Florida, N.D.) theoretical orientation represent styles of mind for understanding reality. This theoretical orientation can be organized as a continuum from theoretical constructs that are independent and concrete as with the Behavioral/ CBT theories, to theoretical constructs that are interdependent and abstract as with the Psychodynamic theories (Fatehi, Gordon & Florida, N.D.). Family systems and Humanistic/Existential are theoretical midpoints (Fatehi, Gordon & Florida, N.D.). Trait theory tends to focus on the premise that we are born with traits or characteristics that make us unique and explain our behaviors (Cervone& Pervin, 2019). For example, introversion, extroversion, shyness, agreeableness, kindness, etc. all these innate characteristics that we are born help to explain why we behave in a certain manner according to the situations we face, (Cervone& Pervin, 2019). Psychoanalytic perspective on the other hand focuses on childhood experiences and the unconscious mind which plays a role in our personality development, (Cervone& Pervin, 2019).
According to Freud, (Cervone& Pervin, 2019) our unconscious mind includes all our hidden desires and conflicts which form the root cause of our mental health issues or maladaptive behaviors. The main difference between these two perspectives is that trait theory helps to explain why we behave in a certain manner, whereas psychoanalytic theory only describes the personality and predicting behavior and not really explaining why we behave the way we do. There is no such evident similarity between the two perspectives, but kind of rely on underlying mechanisms to explain personality. Also, there is some degree of subjectivity present in both the perspectives. Trait theories involve subjectivity regarding interpretations of which can be considered as important traits that explain our behaviors, and psychoanalytic theory is subjective and vague in the concepts been used like the unconscious mind. My opinions accord with the visible contrasts between the two, one focused on internal features describing our behaviors in clearer words, whilst other concentrating on unconscious mind in anticipating behavior which is ambiguous and harder to grasp.
References
Cervone, D., & Pervin, L. A. (2019). Personality: Theory and research (14th ed.). Wiley.
Fatehi, M., Gordon, R. M., & Florida, O. A Meta-Theoretical Integration of Psychotherapy Orientations.
.
According to Libertarianism, there is no right to any social service.docx
According to Libertarianism, there is no right to any social services besides those of a night-watchman state, protecting citizens from harming each other via courts, police, and military.
Consider this town
that decided to remove fire rescue as a basic social service. To benefit from it, one had to pay a yearly fee. Do you think libertarians would generally have to support such a policy in order to be consistent? Why or why not? Also, can you think of any other social services that might no longer exist in a libertarian society? (Btw, none has ever existed).
.
According to Kirk (2016), most of your time will be spent working wi.docx
Kirk (2016) identified four data action groups for working with data: data acquisition, data examination, data transformation, and data exploration. Data acquisition involves gathering the raw material.
According to cultural deviance theorists like Cohen, deviant sub.docx
This document discusses how cultural deviance theorists view subcultures as having their own value systems that oppose mainstream society's values. It asks how rap culture has perpetuated these subcultural values and promoted violence and crime among young men. It also asks how theorists would explain the persistence and popularity of rap culture given its deviation from conventional norms and values, citing examples from Tupac Shakur and 50 Cent. The document requests a 750-1000 word essay on this topic supported by 3-5 scholarly sources.
According to Gray et al, (2017) critical appraisal is the proce.docx
According to Gray et al, (2017) “critical appraisal is the process of carefully and systematically assessing the outcome of all aspects of a study, judging the strengths, limitation, trustworthiness, meaning, and its applicability to practice”. The steps involved in critical appraisal include “identifying the study's elements or processes, determining the strengths and weaknesses, and evaluating the credibility and trustworthiness of the study” (Gray et al., 2017). The journal article chosen is
“change in staff perspectives on indwelling urinary catheter use after implementation of an intervention bundle in seven Swiss acute care hospitals: a result of a before/after survey study”
by Niederhauser, Zullig, Marschall, Schweiger, John, Kuster, and Schwappach. (2019).
Identifying the study's elements or processes
A significant issue addressed by the study is the nursing “staffs’ perspective towards indwelling urinary catheter (IUC) and evaluation of changes in their perspectives towards indwelling urinary catheter (IUC) use after implementation of a 1-year quality improvement project” (Niederhauser et al, 2019). the process of the research was conducted in “seven acute care hospitals in Switzerland” (Niederhauser et al, 2019). With a “sample size of 1579 staff members participated in the baseline survey and 1527 participated in the follow-up survey. The survey captures all nursing and medical staff members working at the participating hospitals at the time of survey distribution, using a multimodal intervention bundle, consisting of an evidence-based indication list, daily re-evaluation of ongoing catheter needs, and staff training were implemented over the course of 9 months” (Niederhauser et al, 2019).
Determining the strengths and weaknesses
A great strength of the study is a large sample size of over 1000 and the use of well-constructed and easy-to-read heading for better understanding. Also, the use of figures, graphs, and tables make the article less cumbersome to read. Another strength is the implementation of the ethical principles of research by enabling informed consent and voluntary participation as well as confidentiality and anonymity of information.
On the other hand, the study has several weaknesses such as the use of “the theory of planned behavior to model intentions to reduce catheter use, but it is not possible to know if changes observed in staff perception led to a true change in practice” (Niederhauser et al, 2019). Another weakness of the study is the repeated survey design which allows assessment of changes in staff perspectives after implementation of a quality improvement intervention but the sustainability of the effects over time could not be evaluated.
Evaluating the credibility and trustworthiness of the study
Although the study used a larger sample size of over 1000, the “use of a single-group design and no control group weakens its credibility and trustworthiness because there are no causal inferences abou.
According to article Insecure Policing Under Racial Capitalism by.docx
According to article "Insecure: Policing Under Racial Capitalism" by Robin D.G. Kelley and the article "Yes, We Mean Literally Abolish the Police" by Mariame Kaba, the police are no longer an attribute of safety and security. The facts that are given in the articles are similar within the meaning of the content. The police do not serve for the benefit of the whole community. Racial and class division according to social status became the basis of lawlessness and injustice on the part of the police. Kaaba in his article cites several stories confirming the racial hatred that led to the murder of African Americans. After that, people massively took to the streets of many cities in several countries, demanding an end to racial discrimination and the murder of African Americans. Kelley's article describes numerous manifestos where demands for police abolition have been raised, but all have been rejected. In the protests, people suggested that they themselves would take care of each other, which the police could not do. I understand that the police system is far from ideal and the permissiveness of police representatives should be limited. Ruth Wilson Gilmore says that "capitalism is never racial." I think that this phrase she wants to say that the stronger people take away from the weak people and use them for their own well-being. And since the roots of history go back to slavery, then African Americans are the weak link. In this regard, a huge number of prisons and police power appeared. The common and small class do not feel protected, on the contrary; they expect a threat from people who must protect them. The police take an oath to respect and protect human and civil rights and freedoms, regardless of skin color and social status. If this does not happen, then you need to change the system.
.
Abstract In this experiment, examining the equivalence poi.docx
Abstract:
In this experiment, examining the equivalence point in a titration with NaOH identified an
unknown diprotic acid. The molar mass of the unknown was found to be 100.78 g/mol with pKa
values of 2.6 and 6.6. The closest diprotic acid to this molar mass is malonic acid with a percent
error of 3.48%.
Introduction:
The purpose of the experiment was to determine the identity of an unknown diprotic acid. The
equivalence and half-equivalence points on the titration curve give important information, which
can then be used to calculate the molecular weight of the acid. The equivalence point is the
moment when there is an equal amount of acid and NaOH. Knowing the concentration and
volume of added NaOH at that moment, the amount of moles of NaOH can be determined. The
amount of moles of NaOH is then equivalent to the amount of acid present. Dividing the original
mass of the acid by the moles present gave the molar mass of the acid.
In this particular titration, there were two equivalence points as the acid is diprotic.
Consequently, the titration curve had two inflection points. The acid dissociated in a two-step
process with the net reaction being:
H2X + 2 NaOH Na2X + 2 H2O
This was important to take into consideration when calculating the molar mass of the diprotic
acid. If the first equivalence point was to be used, the ratio of acid to NaOH was 1:1. If the
second equivalence point was used in the calculations, the ratio became 1:2 as now a second
set of NaOH molecules reacted with the acid to dissociate the second hydrogen ion. The
titration curve also showed the pKa values of the acid. This happened at the half-equivalence
point where half of the acid was dissociated to its conjugate base (again, because of the diprotic
properties of the acid, this happens twice on the curve). The Henderson Hasselbalch equation
pH = pKa+log(A-/HA)
shows that at the half-equivalence point, the pKa value equaled the pH and was visually
represented by the flattest part of the graphs.
Discussion:
The titration graph showed that the data was consistent with the methodology and proved to be
an precise execution of the procedure and followed the expected shape. One possible source of
error was the actual mass of the acid solid. While transferring the dust from the weigh boat to
the solution, some remained in the weigh boat this could have altered the molar mass
calculations and shifted the final the final mass lighter than actual.
The Vernier pH method was definitely a much more concrete method of interpreting the results.
It was possible to see which addition of NaOH gave the greatest increase in pH ( greatest 1st
derivative of the titration graph). The relying solely on the indicator color would make it very
difficult to judge at which precise point the color shifted most, as the shift was a lot more gradual
compared to the precise numbers. This may have been a more reliable method if there was a
de.
ACC 403- ASSIGNMENT 2 RUBRIC!!!Points 280Assignment 2 Audi.docx
ACC 403- ASSIGNMENT 2 RUBRIC!!!
Points: 280
Assignment 2: Audit Planning and Control
Criteria
UnacceptableBelow 60% F
Meets Minimum Expectations60-69% D
Fair70-79% C
Proficient80-89% B
Exemplary90-100% A
1. Outline the critical steps inherent in planning an audit and designing an effective audit program. Based upon the type of company selected, provide specific details of the actions that the company should undertake during planning and designing the audit program.
Weight: 15%
Did not submit or incompletely outlined the critical steps inherent in planning an audit and designing an effective audit program. Did not submit or incompletely provided specific details of the actions that the company should undertake during planning and designing the audit program, based upon the type of company selected.
Insufficiently outlined the critical steps inherent in planning an audit and designing an effective audit program. Insufficiently provided specific details of the actions that the company should undertake during planning and designing the audit program, based upon the type of company selected.
Partially outlined the critical steps inherent in planning an audit and designing an effective audit program. Partially provided specific details of the actions that the company should undertake during planning and designing the audit program, based upon the type of company selected.
Satisfactorily outlined the critical steps inherent in planning an audit and designing an effective audit program. Satisfactorily provided specific details of the actions that the company should undertake during planning and designing the audit program, based upon the type of company selected.
Thoroughly outlined the critical steps inherent in planning an audit and designing an effective audit program. Thoroughly provided specific details of the actions that the company should undertake during planning and designing the audit program, based upon the type of company selected.
2. Examine at least two (2) performance ratios that you would use in order to determine which analytical tests to perform. Identify the accounts that you would test, and select at least three (3) analytical procedures that you would use in your audit.
Weight: 15%
Did not submit or incompletely examined at least two (2) performance ratios that you would use in order to determine which analytical tests to perform. Did not submit or incompletely identified the accounts that you would test; did not submit or incompletely selected at least three (3) analytical procedures that you would use in your audit.
Insufficiently examined at least two (2) performance ratios that you would use in order to determine which analytical tests to perform. Insufficiently identified the accounts that you would test; insufficiently selected at least three (3) analytical procedures that you would use in your audit.
Partially examined at least two (2) performance ratios that you would use in order to determine which analytical tests .
ACC 601 Managerial Accounting Group Case 3 (160 points) .docx
ACC 601 Managerial Accounting
Group Case 3 (160 points)
Instructions:
1. As a group, complete the following activities in good form. Use excel or
word only. Provide all supporting calculations to show how you arrived at
your numbers
2. Add only the names of group members who participated in the completion
of this assignment.
3. Submit only one copy of your completed work via Moodle. Do not send it to
me by email.
4. Due: No later than the last day of Module 7. Please note that your professor
has the right to change the due date of this assignment.
Part A: Capital Budgeting Decisions
Chee Company has gathered the following data on a proposed investment project:
Investment required in equipment ............. $240,000
Annual cash inflows .................................. $50,000
Salvage value ............................................ $0
Life of the investment ............................... 8 years
Required rate of return .............................. 10%
Assets will be depreciated using straight
line depreciation method
Required:
Using the net present value and the internal rate of return methods, is this a good investment?
Part B: Master Budget
You have just been hired as a new management trainee by Earrings Unlimited, a distributor of
earrings to various retail outlets located in shopping malls across the country. In the past, the
company has done very little in the way of budgeting and at certain times of the year has
experienced a shortage of cash. Since you are well trained in budgeting, you have decided to
prepare a master budget for the upcoming second quarter. To this end, you have worked with
accounting and other areas to gather the information assembled below.
The company sells many styles of earrings, but all are sold for the same price—$10 per pair. Actual
sales of earrings for the last three months and budgeted sales for the next six months follow (in pairs
of earrings):
January (actual) 20,000 June (budget) 50,000
February (actual) 26,000 July (budget) 30,000
March (actual) 40,000 August (budget) 28,000
April (budget) 65,000 September (budget) 25,000
May (budget) 100,000
The concentration of sales before and during May is due to Mother’s Day. Sufficient inventory should
be on hand at the end of each month to supply 40% of the earrings sold in the following month.
Suppliers are paid $4 for a pair of earrings. One-half of a month’s purchases is paid for in the month
of purchase; the other half is paid for in the following month. All sales are on credit. Only 20% of a
month’s sales are collected in the month of sale. An additional 70% is collected in the following
month, and the remaining 10% is collected in the second month following sale. Bad debts have been
negligible.
Monthly operating expenses for the company are given below:
Variable:
Sales commissions 4 % of sales
.
Academic Integrity A Letter to My Students[1] Bill T.docx
Academic Integrity:
A Letter to My Students[1]
Bill Taylor
Professor of Political Science
Oakton Community College
Des Plaines, IL 60016
[email protected]
Here at the beginning of the semester I want to say something to you about academic integrity.[2]
I’m deeply convinced that integrity is an essential part of any true educational experience, integrity on
my part as a faculty member and integrity on your part as a student.
To take an easy example, would you want to be operated on by a doctor who cheated his way through
medical school? Or would you feel comfortable on a bridge designed by an engineer who cheated her
way through engineering school. Would you trust your tax return to an accountant who copied his
exam answers from his neighbor?
Those are easy examples, but what difference does it make if you as a student or I as a faculty member
violate the principles of academic integrity in a political science course, especially if it’s not in your
major?
For me, the answer is that integrity is important in this course precisely because integrity is important in
all areas of life. If we don’t have integrity in the small things, if we find it possible to justify plagiarism or
cheating or shoddy work in things that don’t seem important, how will we resist doing the same in areas
that really do matter, in areas where money might be at stake, or the possibility of advancement, or our
esteem in the eyes of others?
Personal integrity is not a quality we’re born to naturally. It’s a quality of character we need to nurture,
and this requires practice in both meanings of that word (as in practice the piano and practice a
profession). We can only be a person of integrity if we practice it every day.
What does that involve for each of us in this course? Let’s find out by going through each stage in the
course. As you’ll see, academic integrity basically requires the same things of you as a student as it
requires of me as a teacher.
I. Preparation for Class
What Academic Integrity Requires of Me in This Area
With regard to coming prepared for class, the principles of academic integrity require that I come having
done the things necessary to make the class a worthwhile educational experience for you. This requires
that I:
reread the text (even when I’ve written it myself),
clarify information I might not be clear about,
prepare the class with an eye toward what is current today (that is, not simply rely on past
notes), and
plan the session so that it will make it worth your while to be there.
What Academic Integrity Requires of You in This Area
With regard to coming prepared for class, the principles of academic integrity suggest that you have a
responsibility to yourself, to me, and to the other students to do the things necessary to put yourself in
a position to make fruitful contributions to class discussion. This will require you to:
read the text before.
Access the Center for Disease Control and Prevention’s (CDC’s) Nu.docx
Access the Center for Disease Control and Prevention’s (CDC’s)
“Nutrition, Physical Activity, and Obesity: Data, Trends and Maps”
database. Choose a state other than your home state and compare their health status and associated behaviors. What behaviors lead to the current obesity status?
Initial discussion post should be approximately 300 words. Any sources used should be cited in APA format.
.
According to DSM 5 This patient had very many symptoms that sugg.docx
According to DSM 5 This patient had very many symptoms that suggested Major Depressive Disorder.
Objective(s)
Analyze psychometric properties of assessment tools
Evaluate appropriate use of assessment tools in psychotherapy
Compare assessment tools used in psychotherapy
.
Acceptable concerts include professional orchestras, soloists, jazz,.docx
Acceptable concerts include professional orchestras, soloists, jazz, Broadway musicals and instrumental or vocal ensembles, and comparable college or community groups performing music relevant to the content of this class. (Optionally, either your concert report
or
your concert review - but not both unless advance permission is given - may be based on a concert of non-western music selected from events on the concert list.)
Acceptable concerts include the following:
• Symphony orchestras • Concert bands and wind ensembles • Chamber Music (string quartets, brass and woodwind quintets, etc.) • Solo recitals (piano, voice, etc.) • Choral concerts • Early music concerts • Non-western music • Some jazz concerts • Opera• Broadway Musicals• Flamenco• Ballet• Tango
Assignment Format
The following are required on the concert review assignment and, thus, may affect your grade.
• Must be typed• Must be double-spaced• Must be between
2 and 4 pages
in length
not including the cover sheet
.• Must use conventional size and formatting of text - e.g. 10-12 point serif or sans serif fonts with normal margins. • Must include the printed program from the concert and/or your ticket stubs. Photocopies are unacceptable. (Contact me at least 24 hours before due date if any materials are unavailable.)• All materials (text, program, ticket stub) must be
stapled
together securely. Folded corners, paper clips, etc. instead of staples will not be accepted.• Careful editing, proofreading, and spelling are expected, although minor errors will not affect your grade.
Papers that do not follow these format guidelines may be returned for resubmission, and late penalties will apply.
Concert Review Assignment Content
I. Cover Sheet:
Include the following on a cover sheet attached to the front of your review:
• Title or other description of the event/performers you heard, along with the date and location of the performance. For example:
New World Symphony Orchestra
1258 Lincoln Road
Saturday, June 5, 2013
Lincoln Road Theater, Miami Beach
• Your name, assignment submission date, course. For example:
Pat Romero
October 31, 2013
Humanities 1020 MWF 8:05 a.m.
II. Descriptions
The main body of the concert review should include brief discussions of
three of the
pieces
in the concert you attend. In most cases, a single paragraph for each piece should be sufficient, although you may wish to break descriptions of longer pieces into separate short paragraphs, one per movement.
Your description of each piece (song) should include:
• The title of the piece and the composer's name if possible, as listed in the concert program.• A brief description of your reaction to the piece. For example:
When the piece started I thought it was going to be slow and boring, but the faster section in the first movement made it more exciting. A really great flute solo full of fast and high notes in the third movement caught my attention. I'm not sure, but I thought that som.
ACA was passed in 2010, under the presidency of Barack Obama. Pr.docx
ACA was passed in 2010, under the presidency of Barack Obama. Prior to this new act, there were plenty of votes that did not agree with the notion of accessible insurance. Before 2010, The private sector had been given coverage in such a way that Milstead and Short (2019) called it sickness insurance; meaning companies will risk incurring medical expenses as long as it was balanced by healthy people. They were doing so by excluding people that had pre-existing conditions, becoming a very solvent business (Milstead & Short, 2019). After ACA was passed that was no longer the case. When President Trump came into term he did so by bringing his own healthcare agenda, which attempted to repeal ACA, but ultimately failed to come up with a replacement.
In 2016, the Republican's party platform was to repeal ACA, while continuing Medicare and Medicaid, but on the other hand, democrats put down that Obamacare is a step towards the goals of universal health care, and that this was just the beginning (Physicians for a National Health Program, n.d.). As for the cost analysis of repealing the Affordable Care Act, this would increase the number of uninsured people by 23 million, and it will cost about 350 billion through 2027, as well as creating costly coverage provisions to replace it (Committee for a Responsible Federal Budget, 2017).
(2 references required)
.
Access the FASB website. Once you login, click the FASB Accounting S.docx
Access the FASB website. Once you login, click the FASB Accounting Standards Codification link. Review the materials in the FASB Codification, especially the links on the left side column. Next, write a 1-page memo to a friend introducing and explaining this new accounting research resource that you have found. Provide at least one APA citation to the FASB Codification and reference that citation using the APA guidelines.
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Academic Paper Overview This performance task was intended to asse.docx
This document provides an overview of an academic paper performance task intended to assess students' ability to conduct scholarly research, articulate an evidence-based argument, and effectively communicate a conclusion. Specifically, the performance task evaluates students' capacity to generate a focused research question, explore relationships between multiple scholarly works, develop and support their own argument using relevant evidence, and integrate sources while distinguishing their own voice.
Academic Research Team Project PaperCOVID-19 Open Research Datas.docx
Academic Research Team Project Paper
COVID-19 Open Research Dataset Challenge (CORD-19)
An AI challenge with AI2, CZI, MSR, Georgetown, NIH & The White House
(1) FULL-LENGTH PROJECT
Dataset Description
In response to the COVID-19 pandemic, the White House and a coalition of leading research groups have prepared the COVID-19 Open Research Dataset (CORD-19). CORD-19 is a resource of over 44,000 scholarly articles, including over 29,000 with full text, about COVID-19, SARS-CoV-2, and related corona viruses. This freely available dataset is provided to the global research community to apply recent advances in natural language processing and other AI techniques to generate new insights in support of the ongoing fight against this infectious disease. There is a growing urgency for these approaches because of the rapid acceleration in new coronavirus literature, making it difficult for the medical research community to keep up.
Call to Action
We are issuing a call to action to the world's artificial intelligence experts to develop text and data mining tools that can help the medical community develop answers to high priority scientific questions. The CORD-19 dataset represents the most extensive machine-readable coronavirus literature collection available for data mining to date. This allows the worldwide AI research community the opportunity to apply text and data mining approaches to find answers to questions within, and connect insights across, this content in support of the ongoing COVID-19 response efforts worldwide. There is a growing urgency for these approaches because of the rapid increase in coronavirus literature, making it difficult for the medical community to keep up.
A list of our initial key questions can be found under the
Tasks
section of this dataset. These key scientific questions are drawn from the NASEM’s SCIED (National Academies of Sciences, Engineering, and Medicine’s Standing Committee on Emerging Infectious Diseases and 21st Century Health Threats)
research topics
and the World Health Organization’s
R&D Blueprint
for COVID-19.
Many of these questions are suitable for text mining, and we encourage researchers to develop text mining tools to provide insights on these questions.
In this project, you will follow your own interests to create a portfolio worthy single-frame viz or multi-frame data story that will be shared in your presentation. You will use all the skills taught in this course to complete this project step-by-step, with guidance from your instructors along the way. You will first create a project proposal to identify your goals for the project, including the question you wish to answer or explore with data. You will then find data that will provide the information you are seeking. You will then import that data into Tableau and prepare it for analysis. Next, you will create a dashboard that will allow you to explore the data in-depth and identify meaningful insights. You will then give structure .
AbstractVoice over Internet Protocol (VoIP) is an advanced t.docx
Abstract
Voice over Internet Protocol (VoIP) is an advanced telecommunication technology which transfers the voice/video over
high speed network that provides advantages of flexibility, reliability and cost efficient advanced telecommunication
features. Still the issues related to security are averting many organizations to accept VoIP cloud environment due to
security threats, holes or vulnerabilities. So, the novel secured framework is absolutely necessary to prevent all kind of
VoIP security issues. This paper points out the existing VoIP cloud architecture and various security attacks and issues
in the existing framework. It also presents the defense mechanisms to prevent the attacks and proposes a new security
framework called Intrusion Prevention System (IPS) using video watermarking and extraction technique and Liveness
Voice Detection (LVD) technique with biometric features such as face and voice. IPSs updated with new LVD features
protect the VoIP services not only from attacks but also from misuses.
A Comprehensive Survey of Security Issues and
Defense Framework for VoIP Cloud
Ashutosh Satapathy* and L. M. Jenila Livingston
School of Computing Science and Engineering, VIT University, Chennai - 600127, Tamil Nadu, India;
[email protected], [email protected]
Keywords: Defense Mechanisms, Liveness Voice Detection, VoIP Cloud, Voice over Internet Protocol, VoIP Security Issues
1. Introduction
The rapid progress of VoIP over traditional services is
led to a situation that is common to many innovations
and new technologies such as VoIP cloud and peer to
peer services like Skype, Google Hangout etc. VoIP is the
technology that supports sending voice (and video) over
an Internet protocol-based network1,2. This is completely
different than the public circuit-switched telephone net-
work. Circuit switching network allocates resources to
each individual call and path is permanent throughout
the call from start to end. Traditional telephony services
are provided by the protocols/components such as SS7, T
carriers, Plain Old Telephone Service (POTS), the Public
Switch Telephone Network (PSTN), dial up, local loops
and anything under International Telecommunication
Union. IP networks are based on packet switching and
each packet follows different path, has its own header and
is forwarded separately by routers. VoIP network can be
constructed in various ways by using both proprietary
protocols and protocols based on open standards.
1.1 VoIP Layer Architecture
VoIP communication system typically consist of a front
end platform (soft-phone, PBX, gateway, call manager),
back end platform (server, CPU, storage, memory, net-
work) and intermediate platforms such as VoIP protocols,
database, authentication server, web server, operating sys-
tems etc. It is mainly divided into five layers as shown in
Figure1.
1.2 VoIP Cloud Architecture
VoIP cloud is the framework for delivering telephony
services in which resourc.
Abstract Structure of Abstra.docx
This study examined a problem, used a particular method to do so, and found results that were interpreted. It concluded by recommending future research on the topic.
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Question 1 This type of selection favors both extremes of the .docx
- 1. Question 1 This type of selection favors both extremes of the phenotype spectrum within a population. A. disruptive B. natural C. neutral D. stabilizing E. directional 5 points Question 2 On a molecular level, all organisms A. have the same bases in DNA and RNA, the same amino acids in proteins, but use different genetic codes. B. have the same bases in DNA and RNA, the same amino acids in proteins, and use the same genetic code. C. use different means of storing genetic information.
- 2. D. have the same bases in DNA and RNA, but different amino acids in proteins. E. show no similarities. 5 points Question 3 Most mutations lead to a decreased chance of survival for the mutant organism. Rarely, a mutation can provide an increased chance of survival. These rare mutations provide a(n) _____________________ for the mutant. A. selective disadvantage B. environmental susceptibility C. adaptive D. directional shift E. selective advantage 5 points Question 4 After being produced in the seminiferous tubules, sperm mature in the A.
- 3. seminal vesicle. B. vas deferens. C. epididymis. D. ejaculatory duct. E. urethra. 5 points Question 5 Random changes in gene frequency that occur in small populations describes the concept of A. genetic drift. B. adaptive radiation. C. parapatric speciation. D. sympatric speciation. E. convergent evolution. 5 points Question 6
- 4. The primary male hormone is A. produced throughout a male’s entire lifetime. B. produced in the brain. C. testosterone. D. estrogen. E. only involved in sperm production. 5 points Question 7 Which of the following statements about natural selection is true? A. Natural selection leads to increased likelihood of survival for certain individuals based on variation. The variation must come from outside the population. B. Natural selection results in those individuals within a population who are best-adapted surviving and producing more offspring. C. Natural selection causes variations to arise within a population. D.
- 5. All individuals within a population have an equal likelihood of survival. Survival is based on chance. E. Natural selection leads to extinction. 5 points Question 8 Which of the following is not true of the punctuated equilibrium theory? A. It was inspired in part by patterns observed in the fossil record. B. It suggests that most species undergo little phenotypic change during most of their evolutionary duration. C. It suggests that subgroups diverge and evolve at about equal and constant rates. D. It appears to be well supported by the fossil record. E. It proposes that most evolutionary change is concentrated in relatively brief episodes of change. 5 points Question 9 Animals that possess both male and female sexual organs A. are hermaphroditic and typically cross-fertilize.
- 6. B. are dioecious and typically self-fertilize. C. are parthenogenetic and typically self-fertilize. D. are hermaphroditic and typically self-fertilize. E. are dioecious and typically cross-fertilize. 5 points Question 10 Human chorionic gonadotropin (hCG) A. acts as a hormone signaling menstruation. B. can be used to reveal pregnancy. C. is needed to form the placenta. D. is stored in the ovaries. E. is produced by the amnion. 5 points Question 11 Chemical compounds secreted by mammals and insects to communicate sexual readiness are called
- 7. A. hormones. B. pheromones. C. developers. D. testosterones. E. estrogens. 5 points Question 12 Vestigial organs A. did not have a function when they first developed, but do so today. B. are not found in present-day organisms. C. include the human appendix and wisdom teeth and a snake’s hipbones. D. must have evolved individually in different organisms. E. are similar in many organisms. 5 points
- 8. Question 13 Negative feedback loops act to A. cause expulsion of milk during breastfeeding. B. cause an erection of the penis when stimulated. C. control sperm production. D. cause uterine contractions during childbirth. E. cause milk production after childbirth. 5 points Question 14 Which of the following is the best description of an adaptation? A. a trait that will be beneficial in the future B. a trait that is of no advantage to survival C. a trait that is currently beneficial to survival D. an environmental change that selects for certain traits E.
- 9. a trait that was beneficial to survival in the past 5 points Question 15 Up until the late eighteenth and early nineteenth centuries, many naturalists believed that all species of living organism(s) had been created separately and had remained unchanged since the creation. Around that time, scientific research provided findings that were contradictory to that idea. All of the following are findings that contradict the idea of a single creation. Choose the exception. A. Even though the limbs of various mammals carry out different functions (swimming, gliding, running, holding, etc.), the bone patterns are very similar. B. The platypus is only found in Australia and the dodo was only found on Madagascar. C. The limbs of some mammals serve the same purpose but their bone patterns are very different. D. Some fossils of extinct organisms are quite different from living organisms. E. As scientists explored more of the earth, they found that different groups of organisms were found in the different regions. 5 points Question 16
- 10. Embryonic development includes all of the following except A. organogenesis. B. cleavage. C. gastrulation. D. fertilization. E. growth. 5 points Question 17 Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are A. produced in the ovaries. B. constantly secreted into the bloodstream of males. C. produced in the testes. D. only produced in female humans. E. produced in both male and female humans.
- 11. 5 points Question 18 A population in Hardy-Weinberg equilibrium A. consists of allele frequencies that are constantly changing. B. is under no selective pressures. C. is very common in nature. D. consists of genotype frequencies that are constantly changing. E. requires a small population size. 5 points Question 19 As opposed to external fertilization, internal fertilization ensures that A. only the fittest of sperm and egg combinations will survive. B. the number of sperm and eggs produced will be equal. C. sperm and egg will be released simultaneously. D. all of the sperm will fertilize eggs.
- 12. E. sperm will be protected until they can unite with the eggs. 5 points Question 20 Immature eggs are called A. basal cells. B. ovaries. C. blastocysts. D. oocytes. E. follicles. 5 points Save and Submit Click Save and Submit to save and submit. Click Save All Answers to save all answers. 1. Study Questions on Shelley’s “A Hymn to Intellectual Beauty” https://www.poetryfoundation.org/poems-and- poets/poems/detail/45123 1). What is the “unseen Power” mentioned in l.1? How does the remainder of the first stanza try to explain this power?
- 13. 2). What is the difference between the “ghosts” (l.49) and the “poisonous names”(l.53) that the speaker says he once sought, and the “Loveliness”(l.71) to which he now says he will “dedicate my powers”(l.61)? 3). The title of the poem is “Hymn to Intellectual Beauty.” What do you think is meant by “intellectual beauty”? Why would Shelley write a “hymn” to this sort of beauty? 2. Study Questions on Mary Shelley’s Frankenstein (1) http://www.planetebook.com/ebooks/Frankenstein.pdf [Note: To answer the questions about Marilyn Butler, you need to read both the introduction and the appendixes.] 1). Why does Marilyn Butler think that the 1818 edition of Frankenstein is superior to the 1831 edition? 2). What does Butler argue is the significance of science in the 1818 edition of Frankenstein? 3). Why does Frankenstein want to create life? 3. Study Questions on Mary Shelley’s Frankenstein (2) http://www.planetebook.com/ebooks/Frankenstein.pdf 1). In addition to learning language, what does the creature that Frankenstein has created learn in the time that he spends observing DeLacey, Felix, Agatha, and Safie? Why does what he has learned lead him to believe that he can interact with them? 2). Why, specifically, does the creature not kill Frankenstein?
- 14. 3). Does the novel seem to you to want us to sympathize with the creature? Why or why not?