5- Which of the following is TRUE regarding the seedless vascular plan.docx
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5. Which of the following is TRUE regarding the seedless vascular plants? (Circle the correct answer) a. The dominant generation is the diploid sporophyte. b. Vascular tissue provides support, allowing them to grow taller than nonvascular plants. c. Gametes are not flagellated, and thus water is no longer needed for fertilization. d. Two of the above are true. e. All of the above are true. 6. What term do biologists use to indicate a state of extreme dryness, or the process of extreme drying? 7. Indicate whether each of the following is nonvascular or vascular. Lycophytes A. Nonvascular Ferns B. Vascular Hornworts Horsetails Liverworts Mosses 8. Match each plant group with the descriptions that follow. Answer choices may be used once, more than once, or not at all. A. Lycophytes C. Horsetails B. Ferns D. Mosses Few herbivores feed on this plant because its stems are impregnated with silica. The spores of ancestral members of this group gave rise to a type of fossil fuel. Have true leaves, stems \& roots. Have microphyll leaves. Have megaphyll leaves. Gametophytes are the dominant generation. Sporophytes are the dominant generation. Sporophyte is nutritionally dependent on gametophyte. Gametophyte and sporophyte are independent of each other. .
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This document provides an overview of seedless plants, including characteristics of green algae, mosses and bryophytes, and seedless vascular plants such as ferns. It describes how these plants reproduce without seeds, through spores and alternation of generations between haploid and diploid phases. It also explains how the evolution of vascular tissue in plants allowed for more efficient transport of water and nutrients, enabling some seedless plants like ferns to grow larger.
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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 ...
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.
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1. How does the ripened condition of an ovary wall allow you to dete.pdf
1. How does the ripened condition of an ovary wall allow you to determine the category of
fruits?
2. In phylogenetics, what are sister groups? Synapomorphies? Clades? Nodes?
3. How do inflorescences differ?
4. What is the Linnaean system of classification and what are the appropriate endings for
common ranks?
5. Why do gymnosperms lack \"fruits\"?
6. What are synapomorphies and how are they indicated on a phylogeny?
7. Why is the development of seeds considered to be a major advance in the evolution of plants?
Solution
In ripened condition , an ovary develops into a fruit, the ovary wall becomes the pericarp.
============================================
2. In phylogenetics, what are sister groups? Synapomorphies? Clades? Nodes?
Clades : Two clades are sisters if they have an immediate common ancestor.
3. How do inflorescences differ?
inflorescence :it is a group of flowers arranged on a stem that is composed of a main branch .
4What is the Linnaean system of classification and what are the appropriate endings for common
ranks?
In the scientific classification of Linnaeus there are three kingdoms, isolated into classes,
and they, thusly, into
a term for rank-based characterization of living beings, as a rule.
5. Why do gymnosperms lack \"fruits\"?
As the Gymnosperms do not produce flowers and ovaries
synapomorphies :
it is a characteristic present in a genealogical species
Itis shared exclusively.
It is in more or less modified form) by its evolutionary descendants.
synapomorphies. : a character or attribute that is shared by at least two scientific categorizations
and is gotten through advancement from a typical genealogical shape.
7. Why is the development of seeds considered to be a major advance in the evolution of plants?
The development of the seed plants speaks to a noteworthy progress over the more primitive
Bryophytes and greeneries. In plants and greeneries, single- celled, haploid spores are the
essential means for attacking new living spaces. Spores have almost no sustenance stockpiling
and once sprouted can\'t endure extraordinary changes in natural conditions. Additionally, both
greeneries and greeneries require water for preparation while seed plants depend on air streams
and bugs. The seed plants can finish their life cycle completely on dry land, the length of
satisfactory soil dampness from the roots is accessible. Preparation happens inside defensive
tissues of the sporophyte (called integuments) and requires no outside water. Seed- bearing plants
create megaspores (expansive spores) in megasporangia that form into ovules and, at
development, deliver seed. They likewise deliver microspores (little spores) in microsporangia
that form into dust grains (male gametophytes) that convey the sperm to the female structures to
fulfill fertilization. Fertilization must go before preparation..
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This document provides an overview of seedless plants, including characteristics of green algae, mosses and bryophytes, and seedless vascular plants such as ferns. It describes how these plants reproduce without seeds, through spores and alternation of generations between haploid and diploid phases. It also explains how the evolution of vascular tissue in plants allowed for more efficient transport of water and nutrients, enabling some seedless plants like ferns to grow larger.
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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 ...
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 ...
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Sexual and asexual reproduction are compared. Sexual reproduction involves two parents and produces offspring with genetic variation, while asexual reproduction involves one parent and produces genetically identical offspring. Both involve forming new individuals but sexual reproduction results from fertilization of an egg by sperm and involves the formation of gametes, while asexual reproduction does not. The key differences are summarized using a Venn diagram.
1. How does the ripened condition of an ovary wall allow you to dete.pdf
1. How does the ripened condition of an ovary wall allow you to determine the category of
fruits?
2. In phylogenetics, what are sister groups? Synapomorphies? Clades? Nodes?
3. How do inflorescences differ?
4. What is the Linnaean system of classification and what are the appropriate endings for
common ranks?
5. Why do gymnosperms lack \"fruits\"?
6. What are synapomorphies and how are they indicated on a phylogeny?
7. Why is the development of seeds considered to be a major advance in the evolution of plants?
Solution
In ripened condition , an ovary develops into a fruit, the ovary wall becomes the pericarp.
============================================
2. In phylogenetics, what are sister groups? Synapomorphies? Clades? Nodes?
Clades : Two clades are sisters if they have an immediate common ancestor.
3. How do inflorescences differ?
inflorescence :it is a group of flowers arranged on a stem that is composed of a main branch .
4What is the Linnaean system of classification and what are the appropriate endings for common
ranks?
In the scientific classification of Linnaeus there are three kingdoms, isolated into classes,
and they, thusly, into
a term for rank-based characterization of living beings, as a rule.
5. Why do gymnosperms lack \"fruits\"?
As the Gymnosperms do not produce flowers and ovaries
synapomorphies :
it is a characteristic present in a genealogical species
Itis shared exclusively.
It is in more or less modified form) by its evolutionary descendants.
synapomorphies. : a character or attribute that is shared by at least two scientific categorizations
and is gotten through advancement from a typical genealogical shape.
7. Why is the development of seeds considered to be a major advance in the evolution of plants?
The development of the seed plants speaks to a noteworthy progress over the more primitive
Bryophytes and greeneries. In plants and greeneries, single- celled, haploid spores are the
essential means for attacking new living spaces. Spores have almost no sustenance stockpiling
and once sprouted can\'t endure extraordinary changes in natural conditions. Additionally, both
greeneries and greeneries require water for preparation while seed plants depend on air streams
and bugs. The seed plants can finish their life cycle completely on dry land, the length of
satisfactory soil dampness from the roots is accessible. Preparation happens inside defensive
tissues of the sporophyte (called integuments) and requires no outside water. Seed- bearing plants
create megaspores (expansive spores) in megasporangia that form into ovules and, at
development, deliver seed. They likewise deliver microspores (little spores) in microsporangia
that form into dust grains (male gametophytes) that convey the sperm to the female structures to
fulfill fertilization. Fertilization must go before preparation..
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This document discusses the evolution of early land plants from their aquatic ancestors. It traces how plants first colonized land and adapted over time. Key points include:
- Green algae were early pioneers on land and evolved into the first land plants like mosses and ferns.
- Plants developed adaptations to survive out of water, such as waxy cuticles, stomata, vascular tissue, and lignin.
- Reproduction evolved from spores in water to seeds and flowers on land, protecting embryos.
- Plants diversified into seedless vascular groups and later seed plants like gymnosperms and flowering angiosperms.
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The document summarizes key aspects of the plant kingdom, including their multicellular nature, ability to photosynthesize, and alternation of generations between haploid and diploid forms. It describes the evolution of plants from green algae ancestors and their adaptations to life on land, including roots, vascular tissue, and waxy cuticles. Seed plants evolved pollen, seeds, and fruits to reproduce on land without water, while angiosperms further developed flowers, broad leaves, and fruits to disperse seeds. Plants play a crucial ecological role by producing oxygen and decomposing to form soil.
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Kingdom Plantae includes eukaryotic, multicellular organisms that are autotrophic, producing their own food through photosynthesis. They have cell walls made of cellulose and lack mobility. Plants reproduce both sexually through male and female gametes and asexually through structures like spores. They are divided into four main groups - mosses, ferns, gymnosperms and angiosperms - based on the presence of vascular tissue and seeds. Angiosperms make up the majority of plant species and their success is attributed to adaptations like specialized structures for pollination, protected seeds, and fruit aiding in seed dispersal.
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This document provides information about non-vascular plants. It includes activities to identify non-vascular plants like seaweed and ferns. It describes that non-vascular plants lack vascular tissues to transport water and nutrients and have simple structures like algae, moss, and liverworts that reproduce using spores. It discusses that most non-vascular plants reproduce through fertilization between sperm and egg that form spores, while liverworts release balls of cells that grow into new plants.
1) A ) What critical adaptations arise in lineages of seedless vascu.pdf
1) A ) What critical adaptations arise in lineages of seedless vascular plants that promote
increased size?
B) Why do the gametophytes of seedless vascular plants stay small and close to the ground,
while the sporophytes get larger and taller?
Solution
a) The vascular plants or tracheohphytes are the dominant and most conspicuous group pf land
plants. More than 260,000 species or tracheophytes represent more than 90% os earth\'s
vegetation. Byrophytes may have beebln successful at the transition from an aquatic habitat to
land but they are still dependent on water for reproduction and absorb moisture and nutrients
through the game to gametophyte surface. The lack of roots for absorbing water and minerals
from the soil as well as lack of reinforced conducting cells limits the bryophytes to small sizes.
Although they may survive in dry conditions they cannot reproduce and expand their habitat
range in the absence of water.
b) In seedless vascular plants the diploid sporophyte is the dominant phase of the life cycle. The
gametophytes is now an inconspicuous but still independent organism.
Throughout the plant evolution there is an evident reversal of roles in the dominant phase of life
cycle. Seedless vascular plants still depend on water during fertilisation as the spermicide must
swim on a layer of moisture to reach the egg. This step in reproduction explains why ferns and
their relatives are more abundant in damp environments.
By the late Devon Ian period plants had evolved vascular tissue, a well defined leaves and root
systems. With these advantages plants increased in height and size..
Chapter 25
All land plants evolved from a single species of freshwater green algae that colonized land over 1 billion years ago. Early land plants like bryophytes and non-vascular plants developed adaptations like an alternation of generations lifecycle and protective structures to survive on land. Vascular plants then evolved xylem and phloem tissues for transport which allowed them to grow larger. Seed plants later evolved seeds for protection and dispersal.
1. It is widely agreed that the plant kingdom arose from A)Eumycota..pdf
1. It is widely agreed that the plant kingdom arose from A)Eumycota. B)Chrysophyta.
C)Phaeophyta. D)Rhodophyta. E)Chlorophyta.
2. A universal feature of the life cycle of plants is A)morphologically identical haploid and
diploid stages. B)genetically identical haploid and diploid stages. C)alteration of generations
between heteromorphic haploid gametophytes and diploid sporophytes. D)All of the above
E)None of the above
3. Several evolutionary adaptations to land are shared by all plants. These shared adaptations do
not include A)waxy protective coverings. B)support against gravity. C)means of taking up water
from the soil. D)protective structures for the new sporophyte. E)water transport by xylem.
4. Ferns are in which phylum? A) Lycophyta B) Anthocerophyta C) Hepatophyta D) Pterophyta
E) Bryophyta
5. The bryophytes are dependent on water for reproduction because A) sperm are passively
transported to eggs by water. B) gametogenesis only occurs when the plants are moist. C) eggs
and sperm are released into water and then unite. D) sperm must swim through water to reach
and fertilize eggs. E) None of the above
6. All plants produce __________ by mitosis and __________ by meiosis. A)spores, gametes
B)gametes, gametes C)gametes, spores D)spores, spores E)spores, gametes and spores
7. In a heterosporous life cycle, the microspore develops into the _____ gametophyte, while the
megaspore develops into the ______ gametophyte. A)female, male B)male, female C)diploid,
haploid D)haploid, diploid E)None of the above
8. Asexual reproduction in liverworts is accomplished by A)gametophytes. B)spores. C)gemmae.
D)tracheids.
9. You are walking along a roadside and find a plant with the following characteristics: very thin
waxy cuticle, stomata, simple leaves in whorls around a central stem, independent sporophyte
and gametophyte, sporangia in strobili. This plant is most likely a member of which of the
following phyla? A)Bryophyta B)Sphenophyta C)Pterophyta D)Lycophyta
10. Plants differ from algae in that only plants A)are photosynthetic. B)are multicellular.
C)possess chlorophyll. D)have multicellular embryos protected by the parent. E)are eukaryotic.
11. Which statement about the alternation of generations in plants is not true? A) The plant life
cycle is characterized by diploid and haploid forms. B)Meiosis occurs in sporangia. C)Gametes
are always produced by meiosis. D)The zygote is the first cell of the sporophyte generation.
E)The gametophyte and sporophyte differ genetically.
12. The most abundant gymnosperm phylum today is A) Cycadophyta. B) Ginkgophyta. C)
Gnetophyta. D) Coniferophyta. E) None of the above
13. Coniferous gymnosperms, such as pines, depend primarily on __________ for pollination;
thus, the plants produce large quantities of pollen that disperse over large areas during the spring.
A) insects B) birds C) water D) wind E) mammals
14. An evolutionary trend that runs throughout the plant kingdom is that the sporophyte
generation ___ and .
Plant Diversity by Dr. Neil Buckley
1. Plants first evolved from green algae around 475 million years ago and transitioned to land, developing vascular systems to transport water and nutrients and reproducing via spores protected in structures.
2. Around 400 million years ago, early vascular plants diversified and seedless plants like ferns came to dominate. Later, the evolution of heterospory led to the development of seeds around 360-280 million years ago.
3. Angiosperms evolved flowers and fruit around 130 million years ago, allowing dispersal by animals. This was a key factor in the immense diversification of angiosperms to over 235,000 species today.
Questions plants (1)
The document provides information about plant structure and function by asking 20 multiple choice questions that cover topics such as plant tissues and cells, reproduction, transport, and adaptations. Key details include the distinguishing characteristics of the four major plant divisions, the role of the hormone auxin, and how double fertilization is unique to angiosperms. Overall, the questions survey a wide range of concepts in plant biology.
Lab 5 Origin Of Plants
The document provides an overview of plant evolution and diversity. It begins with the earliest aquatic algae and charophytes, transitions to the first land plants like Cooksonia, and traces the major lineages including bryophytes, lycophytes, ferns, gymnosperms like cycads and conifers, and finally flowering plants. Key adaptations that facilitated the colonization of land are discussed. Various terms related to plant reproduction and life cycles are also defined.
Asexual Reproduction
This document discusses asexual reproduction, which is when a new organism is produced from one existing organism. There are several types of asexual reproduction including parthenogenesis, vegetative propagation, fragmentation/regeneration, fission, and budding. Parthenogenesis occurs when unfertilized eggs develop into genetically identical females. Vegetative propagation involves cutting pieces from plants to grow new plants. Fragmentation/regeneration is when organisms regrow lost or damaged tissues. Fission involves cell division to produce two identical cells. Budding occurs when a new organism forms on the parent and later separates.
Lab 5 Origin Of Plants
The document provides an overview of a plant diversity lecture and lab activities, including:
1) A quiz, lecture on plant diversity terms, and cladistics exercise to be completed.
2) A lab practical on plant phyla to study for.
3) Background on the evolution of early land plants and their adaptations to terrestrial environments.
4) A classification of the kingdoms and phyla of plants from green algae to seed plants.
Biol108 chp12-pt1-pp-spr12-120417073613-phpapp01
This document provides an overview of the diversification of plants and fungi. It discusses the evolution of plants from their earliest forms on land to the dominance of flowering plants today. Key events discussed include the evolution of vascular tissue that allowed plants to grow larger, the advent of seeds which aided dispersal and helped gymnosperms dominate, and the rise of angiosperms and their use of insect-assisted pollination and fruit-bearing to disperse seeds. The document also examines plant adaptations for obtaining nutrients, reproducing, and defending against herbivores.
1. The reproductive process in the lower plants (mosses, liverworts.pdf
1. The reproductive process in the lower plants (mosses, liverworts, and ferns) can be said to be
analogous to thereproductive process in the amphibians. Explain.
2. Just as a look at embryonic development has helped to demonstrate the close relationship
between chordatesand echinoderms, a look at embryonic development also is key to
understanding the relationship between greenalgae and bryophytes. Explain.
3. The fossil record provides little information about ancient mosses. Do your think that
nonvascular plants couldever have been large-tree-sized plants? Provide evidence from your
investigations to support your answer.
4. Fern antheridia release sperm that then swim toward archegonia in a watery film. The
archegonia release a fluidcontaining chemicals that attract the sperm. This is an example of
chemotaxis, the movement of cells ororganisms in response to a chemical. What is the
significance of chemotaxis to fern (and moss) reproduction?
5. German scientists studied air pollution from heavy metals (cadmium, copper, lead, nickel,
and zinc) by analyzingthe concentration of these metals in moss samples. They compared mosses
collected between 1845 and 1974,which were preserved as herbarium specimens, with mosses
collected in 19991. In general, the 1991 mosses hadlower heavy metal concentrations. These
results were attributed to increased air pollution controls. Based onyour knowledge of the
structure of the moss gametophyte, can you suggest one or more reasons why mosses
areparticularly useful indicators of air pollution?
6. Evidence indicates that the evolution of vascular tissue coincided with a five fold drop in
atmospheric CO2 levelsduring the Carboniferous period, causing global cooling that resulted in
widespread glacier formation. What is apossible explanation for this?
Solution
1. Sexual reproduction in lower plants is carried out through motile sperm with flagella. Water is
required to facilitate reproduction.Haploid gametes are produced by anthridia and archigonia by
mitosis. The sperm released from the anthredia responds to the chemicals released by ripe
archigonia and swim to them in a fim of water and fertilize the egg cell thus producing
zygote.The zygote divides by mitotic division and grows into a sporophyte that is a diploid.
in case of amphibians also external ferilization takes place.The male and female that are
copulating relese their sperm and egg at the same time. A tadpole that is a solely aquatic larval
stage emerges from the egg after the egg is fertilized.
2. In both algae and bryophytes,plant body is thalloid and undifferentiated.Gametophytic
generation is the prominent phase in the life cycle in both groups.Both groups are autotrophic in
nutrition.In both the major photoynthetic pigments are Chlorophl a,b, and carotenes.Vascular
tissue is absent in both groups.Cellulose is chief constituent of cell wall in both
groups.Alternation of generation is present in both groups.
3. They could only have been mat forming on .
What would be the most effective method of reducing the incidence of .pdf
what regulations have been specifically implemented to monitor managerial accountants.
Solution
The purpose of management accounting is to support decision making by collecting, processing,
and communicating information that helps management plan, control, and evaluate business
processes and company strategy. According to business schools, the role of management
accountant is to perform a series of tasks to ensure financial security of the company as well as
help to drive overall business and management strategy.
Traditionally the task of management accountant focused on the task of recording and reporting
the management account information. With the change in technology, business environment,
new production methods, global competition the role of management accountant has been
shifted. Companies need to plan their operating activities within a particular budget. The role of
management accountant now includes formulating strategic business plans and ensures corporate
governance process. Management accountants are required to ensure adequate internal control
system exists and also to [provide risk management. Technological advancement allows
management accountant to track performance that is beyond historical cost based information. E-
commerce has brought dramatic changes and role includes dealing with various ethical
dilemmas.
There are no specific regulations have been implemented to monitor managerial accountants
however it the duty of managerial accountant to follow these rules and regulations
1 Establish and maintain financial policies and management information system
2 Provide high quality support
3 Prepare periodic financial statements
4 Formulating business strategies
5 Analyzing the financial implications of business decision
6 Liaising with other business managers and providing suggestions wherever required
7 Implementing corporate governance procedures, risk management and internal control.
8 Negotiating on major projects and loans
9 Interpreting and communicating financial data to other departments
10 They help in analyzing financial performance and adapt to changing circumstances.
Hghs biology eoc
1. Plant cells contain cell walls for support and protection, while animal cells do not.
2. Only plant and prokaryotic cells contain cell walls.
3. A key difference between plant and animal cells is that plant cells contain chloroplasts for photosynthesis while animal cells do not.
1- Which of the following is NOT a challenge plants face on land- a- O.pdf
1. Which of the following is NOT a challenge plants face on land?
a. Overabundance of Nutrients
b. Lack of water
c. Gravity
2. Zooxanthellae algae produce sugars and oxygen through photosynthesis. They provide
some of these products to the surrounding coral and in return are provided with nutrients
and shelter. What is the term for the relationship seen between zooxanthellae algae and the
coral in which they live?
a. Endosymbiosis
b. Competition
c. Cyanobacteria
d. Hydroid synthesis
3. What distinguishing feature separates heterotrophs from autotrophs?
a. Heterotrophs live in aquatic environments.
b. Heterotrophs require sunlight to produce sugars.
c. Heterotrophs must eat other organisms to survive.
d. Heterotrophs and autotrophs are different names for the same organism.
4. In which structure of the chloroplasts will you find most of a plant's chlorophyll?
a. Inner membrane
b. Stroma
c. Outer membrane
d. Thylakoid
.
Plants
This document provides an overview of the key structures and functions of plants. It discusses the main tissue systems - dermal, vascular and ground tissues - that make up plant bodies and allow them to transport water and nutrients. Roots are described as having important functions of nutrient/water uptake and transport. Stems are discussed as providing structure, support and a transport system between roots and leaves. Leaves are highlighted as the main photosynthetic organs. The document also covers plant diversity and types of plant reproduction including seeds and their protective structures.
801-1x is an authentication protocol used for LAN WLAN both A and B Ne.docx
801.1 x is an authentication protocol used for LAN WLAN both A and B Neither A nor B Question 9 (1 point) VLAN creates LAN workgroups that are independent of physical locations. True False
.
8- What reagents are added VP- positive result- negative result- what.docx
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.
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AFA REVIEWER E.pdf
The document contains a 50 question quiz on topics related to agriculture and fisheries. The questions cover various topics such as plant and animal reproduction, evolution, selective breeding, fish diseases, and animal adaptations. Sample questions include identifying examples of crustaceans, defining what occurs during the process of natural selection, defining what a species is, and identifying physical adaptations in animals. The questions test knowledge of key terminology and concepts across several domains related to agriculture, aquaculture, horticulture, and biology.
Lec 1 intro to botany
This is a powerpoint presentation entitled Introduction to botany. This was discussed in our Bio 103: Fundamentals in Plant Biology.
Plant Evolution, Extinction and Hybridization
This document discusses the evolution of early land plants from their aquatic ancestors. It traces how plants first colonized land and adapted over time. Key points include:
- Green algae were early pioneers on land and evolved into the first land plants like mosses and ferns.
- Plants developed adaptations to survive out of water, such as waxy cuticles, stomata, vascular tissue, and lignin.
- Reproduction evolved from spores in water to seeds and flowers on land, protecting embryos.
- Plants diversified into seedless vascular groups and later seed plants like gymnosperms and flowering angiosperms.
- Hybridization was important in generating plant diversity and was studied by early scientists
Plant APBio
The document summarizes key aspects of the plant kingdom, including their multicellular nature, ability to photosynthesize, and alternation of generations between haploid and diploid forms. It describes the evolution of plants from green algae ancestors and their adaptations to life on land, including roots, vascular tissue, and waxy cuticles. Seed plants evolved pollen, seeds, and fruits to reproduce on land without water, while angiosperms further developed flowers, broad leaves, and fruits to disperse seeds. Plants play a crucial ecological role by producing oxygen and decomposing to form soil.
Kingdom plantae
Kingdom Plantae includes eukaryotic, multicellular organisms that are autotrophic, producing their own food through photosynthesis. They have cell walls made of cellulose and lack mobility. Plants reproduce both sexually through male and female gametes and asexually through structures like spores. They are divided into four main groups - mosses, ferns, gymnosperms and angiosperms - based on the presence of vascular tissue and seeds. Angiosperms make up the majority of plant species and their success is attributed to adaptations like specialized structures for pollination, protected seeds, and fruit aiding in seed dispersal.
03 characteristics of non vascular
This document provides information about non-vascular plants. It includes activities to identify non-vascular plants like seaweed and ferns. It describes that non-vascular plants lack vascular tissues to transport water and nutrients and have simple structures like algae, moss, and liverworts that reproduce using spores. It discusses that most non-vascular plants reproduce through fertilization between sperm and egg that form spores, while liverworts release balls of cells that grow into new plants.
1) A ) What critical adaptations arise in lineages of seedless vascu.pdf
1) A ) What critical adaptations arise in lineages of seedless vascular plants that promote
increased size?
B) Why do the gametophytes of seedless vascular plants stay small and close to the ground,
while the sporophytes get larger and taller?
Solution
a) The vascular plants or tracheohphytes are the dominant and most conspicuous group pf land
plants. More than 260,000 species or tracheophytes represent more than 90% os earth\'s
vegetation. Byrophytes may have beebln successful at the transition from an aquatic habitat to
land but they are still dependent on water for reproduction and absorb moisture and nutrients
through the game to gametophyte surface. The lack of roots for absorbing water and minerals
from the soil as well as lack of reinforced conducting cells limits the bryophytes to small sizes.
Although they may survive in dry conditions they cannot reproduce and expand their habitat
range in the absence of water.
b) In seedless vascular plants the diploid sporophyte is the dominant phase of the life cycle. The
gametophytes is now an inconspicuous but still independent organism.
Throughout the plant evolution there is an evident reversal of roles in the dominant phase of life
cycle. Seedless vascular plants still depend on water during fertilisation as the spermicide must
swim on a layer of moisture to reach the egg. This step in reproduction explains why ferns and
their relatives are more abundant in damp environments.
By the late Devon Ian period plants had evolved vascular tissue, a well defined leaves and root
systems. With these advantages plants increased in height and size..
Chapter 25
All land plants evolved from a single species of freshwater green algae that colonized land over 1 billion years ago. Early land plants like bryophytes and non-vascular plants developed adaptations like an alternation of generations lifecycle and protective structures to survive on land. Vascular plants then evolved xylem and phloem tissues for transport which allowed them to grow larger. Seed plants later evolved seeds for protection and dispersal.
1. It is widely agreed that the plant kingdom arose from A)Eumycota..pdf
1. It is widely agreed that the plant kingdom arose from A)Eumycota. B)Chrysophyta.
C)Phaeophyta. D)Rhodophyta. E)Chlorophyta.
2. A universal feature of the life cycle of plants is A)morphologically identical haploid and
diploid stages. B)genetically identical haploid and diploid stages. C)alteration of generations
between heteromorphic haploid gametophytes and diploid sporophytes. D)All of the above
E)None of the above
3. Several evolutionary adaptations to land are shared by all plants. These shared adaptations do
not include A)waxy protective coverings. B)support against gravity. C)means of taking up water
from the soil. D)protective structures for the new sporophyte. E)water transport by xylem.
4. Ferns are in which phylum? A) Lycophyta B) Anthocerophyta C) Hepatophyta D) Pterophyta
E) Bryophyta
5. The bryophytes are dependent on water for reproduction because A) sperm are passively
transported to eggs by water. B) gametogenesis only occurs when the plants are moist. C) eggs
and sperm are released into water and then unite. D) sperm must swim through water to reach
and fertilize eggs. E) None of the above
6. All plants produce __________ by mitosis and __________ by meiosis. A)spores, gametes
B)gametes, gametes C)gametes, spores D)spores, spores E)spores, gametes and spores
7. In a heterosporous life cycle, the microspore develops into the _____ gametophyte, while the
megaspore develops into the ______ gametophyte. A)female, male B)male, female C)diploid,
haploid D)haploid, diploid E)None of the above
8. Asexual reproduction in liverworts is accomplished by A)gametophytes. B)spores. C)gemmae.
D)tracheids.
9. You are walking along a roadside and find a plant with the following characteristics: very thin
waxy cuticle, stomata, simple leaves in whorls around a central stem, independent sporophyte
and gametophyte, sporangia in strobili. This plant is most likely a member of which of the
following phyla? A)Bryophyta B)Sphenophyta C)Pterophyta D)Lycophyta
10. Plants differ from algae in that only plants A)are photosynthetic. B)are multicellular.
C)possess chlorophyll. D)have multicellular embryos protected by the parent. E)are eukaryotic.
11. Which statement about the alternation of generations in plants is not true? A) The plant life
cycle is characterized by diploid and haploid forms. B)Meiosis occurs in sporangia. C)Gametes
are always produced by meiosis. D)The zygote is the first cell of the sporophyte generation.
E)The gametophyte and sporophyte differ genetically.
12. The most abundant gymnosperm phylum today is A) Cycadophyta. B) Ginkgophyta. C)
Gnetophyta. D) Coniferophyta. E) None of the above
13. Coniferous gymnosperms, such as pines, depend primarily on __________ for pollination;
thus, the plants produce large quantities of pollen that disperse over large areas during the spring.
A) insects B) birds C) water D) wind E) mammals
14. An evolutionary trend that runs throughout the plant kingdom is that the sporophyte
generation ___ and .
Plant Diversity by Dr. Neil Buckley
1. Plants first evolved from green algae around 475 million years ago and transitioned to land, developing vascular systems to transport water and nutrients and reproducing via spores protected in structures.
2. Around 400 million years ago, early vascular plants diversified and seedless plants like ferns came to dominate. Later, the evolution of heterospory led to the development of seeds around 360-280 million years ago.
3. Angiosperms evolved flowers and fruit around 130 million years ago, allowing dispersal by animals. This was a key factor in the immense diversification of angiosperms to over 235,000 species today.
Questions plants (1)
The document provides information about plant structure and function by asking 20 multiple choice questions that cover topics such as plant tissues and cells, reproduction, transport, and adaptations. Key details include the distinguishing characteristics of the four major plant divisions, the role of the hormone auxin, and how double fertilization is unique to angiosperms. Overall, the questions survey a wide range of concepts in plant biology.
Lab 5 Origin Of Plants
The document provides an overview of plant evolution and diversity. It begins with the earliest aquatic algae and charophytes, transitions to the first land plants like Cooksonia, and traces the major lineages including bryophytes, lycophytes, ferns, gymnosperms like cycads and conifers, and finally flowering plants. Key adaptations that facilitated the colonization of land are discussed. Various terms related to plant reproduction and life cycles are also defined.
Asexual Reproduction
This document discusses asexual reproduction, which is when a new organism is produced from one existing organism. There are several types of asexual reproduction including parthenogenesis, vegetative propagation, fragmentation/regeneration, fission, and budding. Parthenogenesis occurs when unfertilized eggs develop into genetically identical females. Vegetative propagation involves cutting pieces from plants to grow new plants. Fragmentation/regeneration is when organisms regrow lost or damaged tissues. Fission involves cell division to produce two identical cells. Budding occurs when a new organism forms on the parent and later separates.
Lab 5 Origin Of Plants
The document provides an overview of a plant diversity lecture and lab activities, including:
1) A quiz, lecture on plant diversity terms, and cladistics exercise to be completed.
2) A lab practical on plant phyla to study for.
3) Background on the evolution of early land plants and their adaptations to terrestrial environments.
4) A classification of the kingdoms and phyla of plants from green algae to seed plants.
Biol108 chp12-pt1-pp-spr12-120417073613-phpapp01
This document provides an overview of the diversification of plants and fungi. It discusses the evolution of plants from their earliest forms on land to the dominance of flowering plants today. Key events discussed include the evolution of vascular tissue that allowed plants to grow larger, the advent of seeds which aided dispersal and helped gymnosperms dominate, and the rise of angiosperms and their use of insect-assisted pollination and fruit-bearing to disperse seeds. The document also examines plant adaptations for obtaining nutrients, reproducing, and defending against herbivores.
1. The reproductive process in the lower plants (mosses, liverworts.pdf
1. The reproductive process in the lower plants (mosses, liverworts, and ferns) can be said to be
analogous to thereproductive process in the amphibians. Explain.
2. Just as a look at embryonic development has helped to demonstrate the close relationship
between chordatesand echinoderms, a look at embryonic development also is key to
understanding the relationship between greenalgae and bryophytes. Explain.
3. The fossil record provides little information about ancient mosses. Do your think that
nonvascular plants couldever have been large-tree-sized plants? Provide evidence from your
investigations to support your answer.
4. Fern antheridia release sperm that then swim toward archegonia in a watery film. The
archegonia release a fluidcontaining chemicals that attract the sperm. This is an example of
chemotaxis, the movement of cells ororganisms in response to a chemical. What is the
significance of chemotaxis to fern (and moss) reproduction?
5. German scientists studied air pollution from heavy metals (cadmium, copper, lead, nickel,
and zinc) by analyzingthe concentration of these metals in moss samples. They compared mosses
collected between 1845 and 1974,which were preserved as herbarium specimens, with mosses
collected in 19991. In general, the 1991 mosses hadlower heavy metal concentrations. These
results were attributed to increased air pollution controls. Based onyour knowledge of the
structure of the moss gametophyte, can you suggest one or more reasons why mosses
areparticularly useful indicators of air pollution?
6. Evidence indicates that the evolution of vascular tissue coincided with a five fold drop in
atmospheric CO2 levelsduring the Carboniferous period, causing global cooling that resulted in
widespread glacier formation. What is apossible explanation for this?
Solution
1. Sexual reproduction in lower plants is carried out through motile sperm with flagella. Water is
required to facilitate reproduction.Haploid gametes are produced by anthridia and archigonia by
mitosis. The sperm released from the anthredia responds to the chemicals released by ripe
archigonia and swim to them in a fim of water and fertilize the egg cell thus producing
zygote.The zygote divides by mitotic division and grows into a sporophyte that is a diploid.
in case of amphibians also external ferilization takes place.The male and female that are
copulating relese their sperm and egg at the same time. A tadpole that is a solely aquatic larval
stage emerges from the egg after the egg is fertilized.
2. In both algae and bryophytes,plant body is thalloid and undifferentiated.Gametophytic
generation is the prominent phase in the life cycle in both groups.Both groups are autotrophic in
nutrition.In both the major photoynthetic pigments are Chlorophl a,b, and carotenes.Vascular
tissue is absent in both groups.Cellulose is chief constituent of cell wall in both
groups.Alternation of generation is present in both groups.
3. They could only have been mat forming on .
What would be the most effective method of reducing the incidence of .pdf
what regulations have been specifically implemented to monitor managerial accountants.
Solution
The purpose of management accounting is to support decision making by collecting, processing,
and communicating information that helps management plan, control, and evaluate business
processes and company strategy. According to business schools, the role of management
accountant is to perform a series of tasks to ensure financial security of the company as well as
help to drive overall business and management strategy.
Traditionally the task of management accountant focused on the task of recording and reporting
the management account information. With the change in technology, business environment,
new production methods, global competition the role of management accountant has been
shifted. Companies need to plan their operating activities within a particular budget. The role of
management accountant now includes formulating strategic business plans and ensures corporate
governance process. Management accountants are required to ensure adequate internal control
system exists and also to [provide risk management. Technological advancement allows
management accountant to track performance that is beyond historical cost based information. E-
commerce has brought dramatic changes and role includes dealing with various ethical
dilemmas.
There are no specific regulations have been implemented to monitor managerial accountants
however it the duty of managerial accountant to follow these rules and regulations
1 Establish and maintain financial policies and management information system
2 Provide high quality support
3 Prepare periodic financial statements
4 Formulating business strategies
5 Analyzing the financial implications of business decision
6 Liaising with other business managers and providing suggestions wherever required
7 Implementing corporate governance procedures, risk management and internal control.
8 Negotiating on major projects and loans
9 Interpreting and communicating financial data to other departments
10 They help in analyzing financial performance and adapt to changing circumstances.
Hghs biology eoc
1. Plant cells contain cell walls for support and protection, while animal cells do not.
2. Only plant and prokaryotic cells contain cell walls.
3. A key difference between plant and animal cells is that plant cells contain chloroplasts for photosynthesis while animal cells do not.
1- Which of the following is NOT a challenge plants face on land- a- O.pdf
1. Which of the following is NOT a challenge plants face on land?
a. Overabundance of Nutrients
b. Lack of water
c. Gravity
2. Zooxanthellae algae produce sugars and oxygen through photosynthesis. They provide
some of these products to the surrounding coral and in return are provided with nutrients
and shelter. What is the term for the relationship seen between zooxanthellae algae and the
coral in which they live?
a. Endosymbiosis
b. Competition
c. Cyanobacteria
d. Hydroid synthesis
3. What distinguishing feature separates heterotrophs from autotrophs?
a. Heterotrophs live in aquatic environments.
b. Heterotrophs require sunlight to produce sugars.
c. Heterotrophs must eat other organisms to survive.
d. Heterotrophs and autotrophs are different names for the same organism.
4. In which structure of the chloroplasts will you find most of a plant's chlorophyll?
a. Inner membrane
b. Stroma
c. Outer membrane
d. Thylakoid
.
Plants
This document provides an overview of the key structures and functions of plants. It discusses the main tissue systems - dermal, vascular and ground tissues - that make up plant bodies and allow them to transport water and nutrients. Roots are described as having important functions of nutrient/water uptake and transport. Stems are discussed as providing structure, support and a transport system between roots and leaves. Leaves are highlighted as the main photosynthetic organs. The document also covers plant diversity and types of plant reproduction including seeds and their protective structures.
Similar to 5- Which of the following is TRUE regarding the seedless vascular plan.docx (20)
1) A ) What critical adaptations arise in lineages of seedless vascu.pdf
1) A ) What critical adaptations arise in lineages of seedless vascu.pdf
1. It is widely agreed that the plant kingdom arose from A)Eumycota..pdf
1. It is widely agreed that the plant kingdom arose from A)Eumycota..pdf
1. The reproductive process in the lower plants (mosses, liverworts.pdf
1. The reproductive process in the lower plants (mosses, liverworts.pdf
What would be the most effective method of reducing the incidence of .pdf
What would be the most effective method of reducing the incidence of .pdf
1- Which of the following is NOT a challenge plants face on land- a- O.pdf
1- Which of the following is NOT a challenge plants face on land- a- O.pdf
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8.5 LAB: Exception handling to detect input string vs. int The given program reads a list of single-word first names and ages (ending with -1), and outputs that list with the age incremented. The program fails and throws an exception if the second input on a line is a string rather than an int. At FIXME in the code, add a try/catch statement to catch ios_base: : failure, and output 0 for the age. Ex: If the input is: Lee 18 Lua 21 Mary Beth 19 Stu 33 1 then the output is: Lee 19 Lua 22 Mary 0 Stu 34
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8- TI Calculator Graded Problem Set A group of 10 friends are trying t.docx
8. TI Calculator Graded Problem Set A group of 10 friends are trying to go to law school and they studied for the Law School Admission Test (LSAT) together. Their LSAT scores were: Calculate descriptive statistics to describe the study group's performance on the LSAT. What is the mean LSAT score? 160.9 157.5 158.7 161.3 157.1 What is the standard deviation of LSAT scores? 9.5 10.6 8.4 10.2 8.0
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8- This molecule is a(n) (Be specific) 9- This molecule is a( n) 10- T.docx
8. This molecule is a(n) (Be specific) 9. This molecule is a( n ) 10. This molecule bound with three of the molecules in question 8 would form a 5. This molecule is a(n) 6. It is the monomer for which of the four major classes of macromolecule? 7. There are three structural components indicated on the molecule above. Identify each of these components.
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8- Shareholders have the right to attempt to influence the actions of.docx
8. Shareholders have the right to attempt to influence the actions of the management. They can do this by putting nonbinding proposals forward-called resolutions-to be voted upon at annual shareholder meetings. (Small shareholders rarely attend the meeting, but may vote by proxy.) Until the 1970 s, shareholder resolutions tended to focus on bottom line concerns. But in 1971, the Episcopal Church filed the first church-sponsored shareholder resolution, challenging General Motor's operations in the apartheid regime in South Africa, and sparking others to make proposals related to corporate social responsibility. Today, shareholder activism continues to grow, with proposals each year on a range of issues, from executive compensation to diversity to the environment. Research: Locate a shareholder resolution dealing with environmental issues. Did it make it onto the proxy statement for voting? If so, with what result?
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8- Consider how the heavy elements that make up planets like the earth.docx
8. Consider how the heavy elements that make up planets like the earth are formed. Which of the following is most likely to be true about the origin of Earth? a. Earth arose around a very ancient star (our sun) that had had plenty of time to synthesize heavy elements. b. EARTH AROSE IN A REGION OF OUR GALAXY WHERE FEW EARLIER STARS FORMED SO THAT THE HYDROGEN FUEL FOR OUR SUN WAS ABUNDANT. c. Earth arose in a region that was very characteristic of other star forming regions so that other planets like Earth are likely to be very common. d. Earth arose in a region that was very unusual in having many earlier star life cycles so that other planets like Earth are likely to be very uncommon.
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8- Making a left and a right turn at the same time are- A- independent.docx
8. Making a left and a right turn at the same time are: A. independent events B. mutually exclusive C. both independent and mutually exclusive D. neither independent nor mutually exclusive 9. E and F are two events such that P ( E ) = 0.60 , P ( E or F ) = 0.90 and P ( E and F ) = 0.50 . Find P ( F )
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8- Identify the Tracing A- Premature Atral Complex B- Premature Ventri.docx
This document lists different types of cardiac arrhythmias and asks the reader to identify them based on electrocardiogram tracings. It includes premature atrial and ventricular complexes, sinus bradycardia, ventricular tachycardia, atrial flutter, Wolff-Parkinson-White syndrome with alternans, paroxysmal ventricular tachycardia, and paroxysmal atrial tachycardia among the options provided. The reader is asked to match types of arrhythmias to unlabeled ECG tracings.
8- Explain in detail- how is P2P file distribution concept is used in.docx
8. Explain in detail, how is P 2 P file distribution concept is used in Bit Torrent. Illustrate your answer with a figure.
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8- Dr- Dolly teaches composition at a two year community college- He c.docx
8. Dr. Dolly teaches composition at a two year community college. He counted misspelled words in his most recent essay assignment. The data were approximately normally distributed with 2.44 misspelled words per essay. For his morning class, of 40 students, the average number of misspelled words was 6.05. Create a 95% confidence interval for the true population mean of misspelled words in the population of student essays.
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7- What are the similarities between these surface features- What does.docx
7. What are the similarities between these surface features? What does this suggest about the possibility of water on Mars? 8. Scientists who disagree with the hypothesis that the Martian channels were caused by flowing water often point out that it is not clear where the water comes from, or where it goes. In the US Rivers image, the waters of the Mississippi River flow from the top of the image in a number of tributaries that combine to form the river that flows off into the Gulf of Mexico at the bottom of the image. Examine the Mars Channels. Which direction (N, NE, E, SE, S, SW, W, NW) is downhill? How do you know? Part 4: Giant Planets Look at the images of the outer Gas Giant Planets. 9. How are the outer (Jovian) planets different from the inner terrestrial planets? Give at least four differences. 10. The bands and stripes on Jupiter, Satum and Neptune are common to all planets with atmospheres. On the Earth, these bands are trade winds (westward surface winds), and jet streams (eastward high-altitude winds). On the Earth, and Venus, the energy that drives the winds comes from the Sun, which heats the ground and the lower atmosphere, starting the process of convection. However, Jupiter, Saturn, Uranus and Neptune have no "ground", and are much too far from the Sun for their winds to be "solar-powered". Where does the energy to drive these winds come from?
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8- 25 Points- To satisfy this question- a- Create a file under the -tm.docx
8. 25 Points: To satisfy this question: a. Create a file under the /tmp directory named myfile.txt. b. Type the command to display the SELinux context for myfile.txt C. Type the command to persistently change the default SELinux context for myfile.txt to var_log_t d. Type the command to display the SELinux context for myfile.txt
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8- (7 points)- Consider the following network that operates if and onl.docx
8. (7 points). Consider the following network that operates if and only if there is a path of functional devices from left to right. The probability each device functions is as shown inside each device. Assume that each device functions independently of the other. What is the probability that the network operates?
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76) A lot of N-50 products are produced with 4 known to be defective-.docx
76) A lot of N = 50 products are produced with 4 known to be defective. a) What type of distribution is this? b) What is the probability that a sample of 5 products will have 1 defective? c) What is the probability that a sample of 5 products will have 1 or more defective?
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74 Igmeouss Rocks Vilmene rexis ane moks that have on wallind frum las.docx
74 Igmeouss Rocks Vilmene rexis ane moks that have on wallind frum lass - Fiyen 45 - d tieler cuer uat a compenelte velcanu C4.1s Buanew ia the arrial phesograph in ficure 4.8 . Hy if the erater ham been bexacbet ly a marrew dark. Moumt St. Melens, Wrashington Aerial photo made bofore 1900 eruption Igneous Rocks it ile iruter has bere breached by a Mount St. Helens, Washington Aerial photo made before 1960 eruption
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7-1 Discussion- WorldCom- What Happened- Communication and group dynam.docx
7-1 Discussion: WorldCom: What Happened?
Communication and group dynamics are important elements within the leading facet of the P-O-L-C framework. Read the following article from CNN describing Bernie Ebbers' downfall as CEO of WorldCom: Ex-WorldCom CEO Ebbers guilty. Based on what you read in the article, in your initial post, identify which two barriers to effective communication were most prominent within WorldCom and explain how these barriers led to the downfall of the company. Be specific and identify the communication barriers based on the information in Chapter 11 of your text.
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75- of Puerto Ricans who immigrated to the United States After the ear.docx
75% of Puerto Ricans who immigrated to the United States After the earthquake at the beginning of 2020, they plan to return to the Island during the summer months 2021. According to the southern newspaper, in the past months there has been an increase in visitors from other countries to the beach areas of the northwest and southwest. On average, a Puerto Rican hostel hosts 45 foreign tourists per week and the standard deviation of 13.5 guests. It is important to establish that 60% of tourists from the Paradores are residents of Puerto Rico. We are interested in knowing how many the average hours employees work and to achieve this we selected a random sample of 32 weeks. Determine: a) What is the probability that the average number of foreign tourists from the sample is between 40 and 48 weekly tourists? b) What is the probability that the average number of foreign tourists be at least 43 a week?
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7-Consider a regression model Yi-xi2+xii where the independent random.docx
7.Consider a regression model Y i = x i 2 + x i i where the independent random errors follow a normal distribution with mean 0 and unknown variance 2 , i N ( 0 , 2 ) , i = 1 , , n . Find the MLE of , 2 .
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7-) Some molecular data place the giant panda in the bear family (Ursi.docx
7.) Some molecular data place the giant panda in the bear family (Ursidae) but place the lesser panda in a very different family, the raccoon family (Procyonidae). Consequently, the morphological similarities of these two species are probably due to: a) the inheritance of acquired characteristics b) sexual selection c) inheritance of shared derived characters d) possession of analogous structures e) possession of shared derived characters 8.) A paraphyletic group includes: a) a basal taxon b) the groups that form the nodes on a phylogenetic tree c) an ancestral species and all of its descendants d) species that show convergent evolution e) an ancestral species and some of its descendants 9.) Since all organisms share a common ancestor, it comes as no surprise that some characteristics are shared while others are not. If we consider hair and the backbone of mammals (which are vertebrates), we can say that the former is a(n) while the latter is a(n) a) monophyletic characteristic, paraphyletic characteristic b) monophyletic characteristic, polyphyletic characteristic c) shared derived character, shared ancestral character d) shared ancestral character, shared derived character e) ingroup, outgroup 10.) Refer to the figure to the right. A group that includes taxa C, D, E, F and G , but not the ancestor is called ... a) a monophyletic group b) the outgroup c) a polyphyletic group d) a paraphyletic group e) the ingroup 11.) An outgroup is an important part of a phylogenetic analysis. What is the function of the outgroup in this type of analysis? a) It reflects the ancestral states of the characters used in the analysis b) It is the species for which we are interested in studying its evolutionary relationship c) It reflects the derived states of the characters used in the analysis d) It reflects the shared derived states (synapomorphies) of the characters used in the analysis 12.) An outgroup should be: a) part of the ingroup b) as closely related to the ingroup as possible without being part of the ingroup c) as distantly related to the ingroup as possible d) the predator of the species in the ingroup
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