Homology and Analogy webquest
•
0 likes•284 views
The document discusses the concepts of homology and analogy in evolution. It defines homology as similarities due to common ancestry, while analogy refers to similarities that evolved independently. The document provides examples of homologous and analogous structures in different animals, such as the bones in tetrapod legs being homologous, while the wings of flying squirrels and sugar gliders being analogous. It asks the reader questions about specific examples to test their understanding of these fundamental evolutionary concepts.
Report
Share
Report
Share
Recommended
Chap 1 cell
This document outlines a 13 period lesson plan on cells. The objectives are to understand the structural organization of eukaryotic cells, differentiate between plant and animal cells, and identify different cell types and their functions. Over the course of the lessons, students will learn about cell discovery, organelle structure and function, compare plant and animal cells under a microscope, and describe the basic levels of biological organization. Formative assessments are built into each period to check understanding. The teacher will provide additional explanation and multimedia as needed to reinforce key topics. By the end of the lesson, students will be able to describe cells, compare plant and animal cells, illustrate cell structure and organelle functions, and describe levels of biological organization.
Cell fatu camara 4º A
The document discusses cells and their classification. It notes that cells are the basic unit of structure and function of all living things. There are two main types of cells: eukaryotic cells, which have a nucleus and membrane-bound organelles, and prokaryotic cells, which lack a nucleus. Examples are given of eukaryotic cells like plant and animal cells and prokaryotic cells like bacteria and archaea. Diagrams of typical animal and plant cell structures are also included.
Ambassador's Day 2016 - Social networks tips
The document outlines a new marketing strategy for a company's product line, including conducting customer surveys to understand wants and needs, focusing marketing efforts on the company's most popular and highest selling items, and partnering with social media influencers to provide product recommendations and reviews to their many followers.
Manual alianza publico privada
Este documento presenta un manual para generar una Alianza Público-Privada ante el Cambio Climático a nivel comunal. La Alianza tiene como misión apoyar el diseño e implementación del Plan Comunal de Cambio Climático definido por cada comuna. Los objetivos específicos son articular la visión de la comuna sobre cambio climático y ayudar a implementar acciones identificadas en diagnósticos de adaptación y desarrollo bajo en carbono. El manual describe los principios orientadores, pasos a seguir para generar la Alianza
Joint Disorders
JOINT DISEASE
A combination of pain and stiffness , leading to loss of function, is a classic feature of joint disease.Usually one component will predominates as stiffness in inflammation, and pain in mechanical joint problem.Therefore specific questions will establish whether symptoms are mechanical (e.g. degenerative joint disease & mechanical tear) or inflammatory(e.g. rheumatoid arthritis or gout).
Practicaclase01
Este documento presenta un presupuesto para la colocación de carpeta asfáltica nivelante en la Av. Victor Larco en Trujillo, Perú. Incluye 63 líneas que detallan las diferentes partidas y costos como movilización de equipos, cartel de obra, desvío de tráfico, trazo y replanteo, perfilado de bordes, corte de afirmado, barrido y eliminación de materiales, capa de afirmado, imprimación asfáltica, carpeta asfáltica, capa nivelante, barrid
Lomaslucasmonges diapositiva
Lucas Monges pertenece al grupo de contabilidad de una empresa y anima a valorar cada segundo la tierra bendecida en la que vivimos.
Recommended
Chap 1 cell
This document outlines a 13 period lesson plan on cells. The objectives are to understand the structural organization of eukaryotic cells, differentiate between plant and animal cells, and identify different cell types and their functions. Over the course of the lessons, students will learn about cell discovery, organelle structure and function, compare plant and animal cells under a microscope, and describe the basic levels of biological organization. Formative assessments are built into each period to check understanding. The teacher will provide additional explanation and multimedia as needed to reinforce key topics. By the end of the lesson, students will be able to describe cells, compare plant and animal cells, illustrate cell structure and organelle functions, and describe levels of biological organization.
Cell fatu camara 4º A
The document discusses cells and their classification. It notes that cells are the basic unit of structure and function of all living things. There are two main types of cells: eukaryotic cells, which have a nucleus and membrane-bound organelles, and prokaryotic cells, which lack a nucleus. Examples are given of eukaryotic cells like plant and animal cells and prokaryotic cells like bacteria and archaea. Diagrams of typical animal and plant cell structures are also included.
Ambassador's Day 2016 - Social networks tips
The document outlines a new marketing strategy for a company's product line, including conducting customer surveys to understand wants and needs, focusing marketing efforts on the company's most popular and highest selling items, and partnering with social media influencers to provide product recommendations and reviews to their many followers.
Manual alianza publico privada
Este documento presenta un manual para generar una Alianza Público-Privada ante el Cambio Climático a nivel comunal. La Alianza tiene como misión apoyar el diseño e implementación del Plan Comunal de Cambio Climático definido por cada comuna. Los objetivos específicos son articular la visión de la comuna sobre cambio climático y ayudar a implementar acciones identificadas en diagnósticos de adaptación y desarrollo bajo en carbono. El manual describe los principios orientadores, pasos a seguir para generar la Alianza
Joint Disorders
JOINT DISEASE
A combination of pain and stiffness , leading to loss of function, is a classic feature of joint disease.Usually one component will predominates as stiffness in inflammation, and pain in mechanical joint problem.Therefore specific questions will establish whether symptoms are mechanical (e.g. degenerative joint disease & mechanical tear) or inflammatory(e.g. rheumatoid arthritis or gout).
Practicaclase01
Este documento presenta un presupuesto para la colocación de carpeta asfáltica nivelante en la Av. Victor Larco en Trujillo, Perú. Incluye 63 líneas que detallan las diferentes partidas y costos como movilización de equipos, cartel de obra, desvío de tráfico, trazo y replanteo, perfilado de bordes, corte de afirmado, barrido y eliminación de materiales, capa de afirmado, imprimación asfáltica, carpeta asfáltica, capa nivelante, barrid
Lomaslucasmonges diapositiva
Lucas Monges pertenece al grupo de contabilidad de una empresa y anima a valorar cada segundo la tierra bendecida en la que vivimos.
Rubica griegos
Este documento presenta una rúbrica para evaluar proyectos de estudiantes griegos en 5 categorías: ideas previas, organización grupal, información e investigación, trabajos plásticos, producto final y autoevaluación. Se asignan puntajes de 1 a 5 para cada categoría, donde 5 es el más alto puntaje e indica un excelente desempeño o comprensión del tema.
Cable de alimentacion tipo 8
Este cable de alimentación tipo 8 de 2 pines se puede usar para conectar a la corriente una variedad de dispositivos electrónicos como impresoras, radios, consolas de videojuegos como Playstation y Xbox, cámaras de video y cargadores de laptops. El cable es nuevo y está disponible en otros modelos además del tipo 8 de 2 pines descrito.
Lesson4 hour vocab test
This document appears to be a vocabulary test for a student, listing 10 terms related to schooling. The terms include subjects like geography, music, and PE/sport as well as verbs like "to learn/to study" and nouns like school, lesson, and the measure word for lessons. The student's name is blank at the top, and the list of 10 terms is repeated, suggesting this is a test to be completed by the student filling in the meanings or translations of the terms.
XMP CONSULT pour les aspirants au conseil - Les avantages de nous rejoindre
Argumentaire de XMP CONSULT à destination des aspirants au conseil
C13 454-11943
Francisco Ramos Urzua proporciona su ID de aula, MEJOR c13-454-11943, y la fecha del documento es el 08-12-2014.
IB Biology 5.4 Slides: Cladistics
This document discusses cladistics, which is a method of classifying organisms into clades based on their evolutionary relationships and shared characteristics with a common ancestor. It provides examples of how cladograms are used to show evolutionary relationships between different groups like birds, dinosaurs, and crocodiles. The document also discusses how genetic evidence from DNA and protein sequencing provides more accurate evidence of evolutionary relationships than morphology alone. It explains how cladistics has resulted in some groups being reclassified based on their true evolutionary origins.
1-A) What types of data document patterns and processes of evoluti.pdf
1-
A) What types of data document patterns and processes of evolution?
B) What does homology mean and how is it important with respect to evolution? How types of
homology are for providing evidence of evolution?
C) does the fossil record provide support for the of evolution? Why do sugar gliders and flying
squirrels look so much alike?
D) What do we call the similarity between flying squirrels and sugar gliders?
E) Provide a complete explanation for the question, what is evolution Vocabulary
Solution
Answer A) There are mainly four types of data which document patterns and process of
evolution; Homology, fossil record, direct observations and biogeography.
Answer B) Homology means sharing a similar structure due to relatedness. this is important with
respect to evolution because homology tells us that two different animals which shares the
homology structures had a common ancestor during evolution. there are two types of homology
in evolution; paralogs, which tells us that two copy of one gene located at two different positions
on genome inside a single organism has evolved as a duplication event and such genes are called
paralogous. while orthologs tells us that if two genes are similar in two different organism\'s
genomes then they were originated in their ancestor.
Answer C) Yes, fossil record is one of the data documentation for the evolutionary studies and
they help to find the missing links between various points of evolution. sugar gliders and flying
squirrels look alike because they share similarity in structures such as white belly, big eyes, same
size, and a thin layer of skin under the legs for gliding in the air.
Answer D) We call this kind of similarity in same functional structures as analogy..
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.
1) What is the binomial system of nomenclature Who developed this .docx
1) What is the binomial system of nomenclature? Who developed this system? Is the name Escherichia coli written correctly?
2) Read the section on Ernst Mayr's biological species concept discussed on page 275. Then use the information in the following sections to describe prezygotic barriers and postzygotic barriers. Please include three examples of each type of barrier.
3) Define allopatric, sympatric, and parapatric speciation.
4) Contrast gradualism and punctuated equilibrium. What is adaptive radiation?
5) What is the background extinction rate? What is a mass extinction? How many mass extinctions have occurred on this planet? Are we in one now?
6) What is a cladogram? How are the common ancestors represented? Define monophyletic, paraphyletic, and polyphyletic cladograms. Which one best represents the principle of parsimony?
7) Discuss the origin of the membrane bound cell. Which cell type came first, prokaryote or eukaryote? Which of these two cell types is the most complex? Briefly discuss how this complexity came to be (you can discuss endosymbiosis, cooperation, etc).
8) How did Cyanobacteria influence the Earth’s atmosphere to make it habitable to larger life forms?
9) About how soon after Earth formed did life first appear, according to fossil evidence? How much longer did it take multicellular organisms to colonize land?
10) Use the internet to learn about National Geographic’s Genographic Project. What are the main objectives and components of the project, and how are researchers using the information they gather to learn more about human evolution?
.
Lab 12 Building Phylogenies Objectives .docx
Lab 12
Building Phylogenies
Objectives
In this laboratory exercise, you will examine six species of agaricomycetes and predict the evolutionary
relationships among them. After completing this exercise you will be able to
• define ancestral characteristics, derived characteristics, branch point, and phylogeny.
• predict ancestral and derived characteristics for agaricomycetes.
• construct a phylogeny (phylogenetic tree).
• support the phylogeny with data.
• explain how evolutionary biologists discover evolutionary relationships.
Introduction
One of the most compelling pieces of evidence for evolution is that organisms have amazing similarities. An
example that almost everyone has heard before is that the limbs of birds, bats, horses, moles, cats, frogs,
humans, turtles, and other vertebrates have virtually the same skeletal plan. Furthermore, even snakes and
whales show structural remnants of the limbs of their ancestors. The evolutionary interpretation of these
similarities is that the vertebrate limb has been modified by natural selection to perform different functions
(for example, running, digging, flying). Another commonly used example is that the embryos of turtles,
mice, humans, chickens, and many other vertebrates are amazingly similar. Furthermore, the proteins and
DNA of organisms are remarkably similar. Why, do you suppose, can human diabetics use insulin extracted
from pigs to control their blood sugar levels? Well, the reason is that the chemical structure of human and
pig insulin is very similar.
In addition to these similarities, we discover that organisms that appear similar in one respect are often
similar in other respects (we can say the patterns are “concordant”). For example, organisms that are
similar morphologically (in shape) have similar protein structures. Organisms that are less similar
morphologically have less similar protein structures. This pattern holds for traits that are not easily
modified by evolution, but not so often by traits that are easily modified by selection. For example, flower
color might not be a good trait to use when looking for concordance because it is easily changed
genetically.
The concordance of traits is an important support of evolution. Imagine that we saw that organisms similar
in one set of characteristics were very different in a second set of characteristics and different again in a
third set of characteristics. This situation would be chaotic and we would be forced to question the reality
1
of evolution. The development of methods of DNA and protein analysis has shown dramatically that
organisms that are similar morphologically are also similar at the genetic level.
So, similarity among organisms provides evidence for evolution. We can then turn around and use the
similarities to try to reconstruct evolutionary relationships. That is the purpose of today’s lab: to construct a
hypothes ...
1) Give one example of each of the following. a) a homologous molecul.pdf
1) Give one example of each of the following. a) a homologous molecular trait shared by all
cellular organisms. b) a body part adapted to different functions in different species but showing
clear homology of underlying structure. c) a non-homologous similarity between organisms
adapted to similar habitats or niches (use an example NOT given in lecture). d) Amolecular
vestigial trait shared by all primates, but not most other mammals. e) Amorphological vestigial
trait shared by humans and great apes (chimpanzees, gorillas, etc.)but not vestigial in other
primates (e.g. monkeys). 2) What is meant by the \"ambiguity\" of species boundaries, and why
did Darwin use it as part of his argument for common descent? 3) The picture below shows three
species as embryos (left) and as adults (right). What is the name of the phenomenon it illustrates?
What evidence does the phenomenon give about evolution?
Solution
1.
a.Aminoacids : The 20 aminoacids are same in all cellular orgainsms.
b.Forelimbs
c.Stream lined body of sharks and whales, wings of birds and insects.
d.The gulono--lactone oxidase (GLO) pseudogene.
e.Coccyx is present in humans and great apes as fused bone but is not present in monkeys as they
have tails.
2.Ambiguity of species boundaries means there is always a confusion as to which organisms can
be grouped into species; wheather sexually reproducing organisms and asexually reproducing
organisms.What boundaries should exist so as to group organisms into species has always been
ambiguous.No such species boundaries were set earlier.Darwin used it as a part of his argument
for common ancestor because according to him god had created the species and this was known
as Creationism and he emphasized on the process of natural selection to be an active process that
led to evolution from common ancestor.
3.The phenomenon that the diagram illustrates is homology.Homology in embryo is known as
ontogenetic homology and means that two or more species share same embryological similarities
and it gives an evidence that all the three embryos of species have a common ancestor but in
process of time have undergone remodelling of body parts through natural selection..
G10 q3 w5_biodiversity _ evolution_removed
Fossil records, comparative anatomy, and genetic information provide evidence for evolution in three key ways:
1) Fossil records show how organisms have changed over time, with older fossils showing simpler ancestral forms and more recent fossils showing more complex descendant forms. The arrangement of fossils in rock layers and their changing anatomical features over time support the theory of evolution.
2) Comparative anatomy reveals homologous structures shared between related organisms and their ancestors, such as bones in the limbs of humans, whales, crocodiles and other vertebrates. These homologous structures provide evidence of common descent.
3) Examining DNA and protein sequences, such as cytochrome-c, shows greater similarity between more
Evolutionary-Relationships-of-Organism-2.pptx
The document discusses using molecular evidence like amino acid sequences to determine evolutionary relationships. It provides cytochrome c, a protein found in mitochondria, as an example. Comparisons of cytochrome c amino acid sequences among different organisms can infer how closely or distantly they are related on an evolutionary timescale. The more similar the sequences are, the more closely related the organisms. The document emphasizes that using multiple lines of molecular evidence provides stronger inferences about evolutionary relationships than any single source alone.
A few sentencessingle paragraph for each item should be sufficient,.docx
This document contains 16 questions about various topics in biology:
1. Deuterostomes and protostomes are concepts that describe whether an embryo's first opening is the mouth or anus, and they are useful for understanding early development.
2. Seeds had advantages like dispersal and dormancy over earlier plant structures.
3. Homologies and analogies reveal information about the evolutionary history of life on Earth based on shared and convergent traits.
4. Plants were necessary for animals to evolve by producing oxygen and providing a food source.
5. Extinctions have been caused by events like asteroid impacts, climate change, and disease. Periods after mass extinctions saw changes like the rise of new dominant
taxonomyphylogenytutorial.ppt GENERAL BIOLOGY
The document provides an overview of taxonomy and phylogeny. It discusses Linnaeus' classification system, evolutionary taxonomy, cladistics, cladograms, homologous and derived characters, and differences between monophyletic, paraphyletic, and polyphyletic groups. Key points covered include that cladistics requires all groups to be monophyletic while evolutionary taxonomy sometimes allows paraphyletic groups, and cladograms illustrate the nested hierarchy of clades defined by shared derived characters.
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.
5.4 cladistics student copy
Cladistics is a method of classifying organisms based on their evolutionary relationships and their most recent common ancestor. A clade is a group of organisms that have evolved from a common ancestor. Evidence from DNA sequences and protein structures is used to construct cladograms, which are tree diagrams that show the probable sequence of divergence of clades. Cladograms help determine which traits are primitive, inherited from a distant ancestor, and which traits are derived and evolved more recently. This analysis can reveal relationships that differ from classifications based only on physical appearance.
Evolution Study Guide
The document provides an overview of evolution including:
1. What evolution is and how it works through natural selection and environmental pressures causing organisms to adapt, become extinct, or die out.
2. Examples are given of natural selection like limited resources forcing adaptation or extinction.
3. Evidence for evolution includes fossil records showing changes over time, and anatomical similarities between organisms indicating common ancestry.
The Family Tree
1. Evolutionary relationships between species can be represented as a branching family tree called a phylogeny, which traces patterns of shared ancestry.
2. All life on Earth can be divided into three major groups: Archaea, Bacteria, and Eukaryota.
3. Phylogenies illustrate how lineages split over time from common ancestors, but they do not imply that some organisms are more "advanced" than others.
Cells 6th Grade
The document provides background information on cells, including that cells are the basic building blocks of living things, cells have different types that perform specialized functions, and the cell theory states that all cells come from other cells. It then discusses the early discoveries of cells by scientists like Hooke, Schleiden, and Schwann that helped establish the cell theory and furthered understanding of cell structure.
More Related Content
Viewers also liked
Rubica griegos
Este documento presenta una rúbrica para evaluar proyectos de estudiantes griegos en 5 categorías: ideas previas, organización grupal, información e investigación, trabajos plásticos, producto final y autoevaluación. Se asignan puntajes de 1 a 5 para cada categoría, donde 5 es el más alto puntaje e indica un excelente desempeño o comprensión del tema.
Cable de alimentacion tipo 8
Este cable de alimentación tipo 8 de 2 pines se puede usar para conectar a la corriente una variedad de dispositivos electrónicos como impresoras, radios, consolas de videojuegos como Playstation y Xbox, cámaras de video y cargadores de laptops. El cable es nuevo y está disponible en otros modelos además del tipo 8 de 2 pines descrito.
Lesson4 hour vocab test
This document appears to be a vocabulary test for a student, listing 10 terms related to schooling. The terms include subjects like geography, music, and PE/sport as well as verbs like "to learn/to study" and nouns like school, lesson, and the measure word for lessons. The student's name is blank at the top, and the list of 10 terms is repeated, suggesting this is a test to be completed by the student filling in the meanings or translations of the terms.
XMP CONSULT pour les aspirants au conseil - Les avantages de nous rejoindre
Argumentaire de XMP CONSULT à destination des aspirants au conseil
C13 454-11943
Francisco Ramos Urzua proporciona su ID de aula, MEJOR c13-454-11943, y la fecha del documento es el 08-12-2014.
Viewers also liked (7)
XMP CONSULT pour les aspirants au conseil - Les avantages de nous rejoindre
XMP CONSULT pour les aspirants au conseil - Les avantages de nous rejoindre
Similar to Homology and Analogy webquest
IB Biology 5.4 Slides: Cladistics
This document discusses cladistics, which is a method of classifying organisms into clades based on their evolutionary relationships and shared characteristics with a common ancestor. It provides examples of how cladograms are used to show evolutionary relationships between different groups like birds, dinosaurs, and crocodiles. The document also discusses how genetic evidence from DNA and protein sequencing provides more accurate evidence of evolutionary relationships than morphology alone. It explains how cladistics has resulted in some groups being reclassified based on their true evolutionary origins.
1-A) What types of data document patterns and processes of evoluti.pdf
1-
A) What types of data document patterns and processes of evolution?
B) What does homology mean and how is it important with respect to evolution? How types of
homology are for providing evidence of evolution?
C) does the fossil record provide support for the of evolution? Why do sugar gliders and flying
squirrels look so much alike?
D) What do we call the similarity between flying squirrels and sugar gliders?
E) Provide a complete explanation for the question, what is evolution Vocabulary
Solution
Answer A) There are mainly four types of data which document patterns and process of
evolution; Homology, fossil record, direct observations and biogeography.
Answer B) Homology means sharing a similar structure due to relatedness. this is important with
respect to evolution because homology tells us that two different animals which shares the
homology structures had a common ancestor during evolution. there are two types of homology
in evolution; paralogs, which tells us that two copy of one gene located at two different positions
on genome inside a single organism has evolved as a duplication event and such genes are called
paralogous. while orthologs tells us that if two genes are similar in two different organism\'s
genomes then they were originated in their ancestor.
Answer C) Yes, fossil record is one of the data documentation for the evolutionary studies and
they help to find the missing links between various points of evolution. sugar gliders and flying
squirrels look alike because they share similarity in structures such as white belly, big eyes, same
size, and a thin layer of skin under the legs for gliding in the air.
Answer D) We call this kind of similarity in same functional structures as analogy..
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.
1) What is the binomial system of nomenclature Who developed this .docx
1) What is the binomial system of nomenclature? Who developed this system? Is the name Escherichia coli written correctly?
2) Read the section on Ernst Mayr's biological species concept discussed on page 275. Then use the information in the following sections to describe prezygotic barriers and postzygotic barriers. Please include three examples of each type of barrier.
3) Define allopatric, sympatric, and parapatric speciation.
4) Contrast gradualism and punctuated equilibrium. What is adaptive radiation?
5) What is the background extinction rate? What is a mass extinction? How many mass extinctions have occurred on this planet? Are we in one now?
6) What is a cladogram? How are the common ancestors represented? Define monophyletic, paraphyletic, and polyphyletic cladograms. Which one best represents the principle of parsimony?
7) Discuss the origin of the membrane bound cell. Which cell type came first, prokaryote or eukaryote? Which of these two cell types is the most complex? Briefly discuss how this complexity came to be (you can discuss endosymbiosis, cooperation, etc).
8) How did Cyanobacteria influence the Earth’s atmosphere to make it habitable to larger life forms?
9) About how soon after Earth formed did life first appear, according to fossil evidence? How much longer did it take multicellular organisms to colonize land?
10) Use the internet to learn about National Geographic’s Genographic Project. What are the main objectives and components of the project, and how are researchers using the information they gather to learn more about human evolution?
.
Lab 12 Building Phylogenies Objectives .docx
Lab 12
Building Phylogenies
Objectives
In this laboratory exercise, you will examine six species of agaricomycetes and predict the evolutionary
relationships among them. After completing this exercise you will be able to
• define ancestral characteristics, derived characteristics, branch point, and phylogeny.
• predict ancestral and derived characteristics for agaricomycetes.
• construct a phylogeny (phylogenetic tree).
• support the phylogeny with data.
• explain how evolutionary biologists discover evolutionary relationships.
Introduction
One of the most compelling pieces of evidence for evolution is that organisms have amazing similarities. An
example that almost everyone has heard before is that the limbs of birds, bats, horses, moles, cats, frogs,
humans, turtles, and other vertebrates have virtually the same skeletal plan. Furthermore, even snakes and
whales show structural remnants of the limbs of their ancestors. The evolutionary interpretation of these
similarities is that the vertebrate limb has been modified by natural selection to perform different functions
(for example, running, digging, flying). Another commonly used example is that the embryos of turtles,
mice, humans, chickens, and many other vertebrates are amazingly similar. Furthermore, the proteins and
DNA of organisms are remarkably similar. Why, do you suppose, can human diabetics use insulin extracted
from pigs to control their blood sugar levels? Well, the reason is that the chemical structure of human and
pig insulin is very similar.
In addition to these similarities, we discover that organisms that appear similar in one respect are often
similar in other respects (we can say the patterns are “concordant”). For example, organisms that are
similar morphologically (in shape) have similar protein structures. Organisms that are less similar
morphologically have less similar protein structures. This pattern holds for traits that are not easily
modified by evolution, but not so often by traits that are easily modified by selection. For example, flower
color might not be a good trait to use when looking for concordance because it is easily changed
genetically.
The concordance of traits is an important support of evolution. Imagine that we saw that organisms similar
in one set of characteristics were very different in a second set of characteristics and different again in a
third set of characteristics. This situation would be chaotic and we would be forced to question the reality
1
of evolution. The development of methods of DNA and protein analysis has shown dramatically that
organisms that are similar morphologically are also similar at the genetic level.
So, similarity among organisms provides evidence for evolution. We can then turn around and use the
similarities to try to reconstruct evolutionary relationships. That is the purpose of today’s lab: to construct a
hypothes ...
1) Give one example of each of the following. a) a homologous molecul.pdf
1) Give one example of each of the following. a) a homologous molecular trait shared by all
cellular organisms. b) a body part adapted to different functions in different species but showing
clear homology of underlying structure. c) a non-homologous similarity between organisms
adapted to similar habitats or niches (use an example NOT given in lecture). d) Amolecular
vestigial trait shared by all primates, but not most other mammals. e) Amorphological vestigial
trait shared by humans and great apes (chimpanzees, gorillas, etc.)but not vestigial in other
primates (e.g. monkeys). 2) What is meant by the \"ambiguity\" of species boundaries, and why
did Darwin use it as part of his argument for common descent? 3) The picture below shows three
species as embryos (left) and as adults (right). What is the name of the phenomenon it illustrates?
What evidence does the phenomenon give about evolution?
Solution
1.
a.Aminoacids : The 20 aminoacids are same in all cellular orgainsms.
b.Forelimbs
c.Stream lined body of sharks and whales, wings of birds and insects.
d.The gulono--lactone oxidase (GLO) pseudogene.
e.Coccyx is present in humans and great apes as fused bone but is not present in monkeys as they
have tails.
2.Ambiguity of species boundaries means there is always a confusion as to which organisms can
be grouped into species; wheather sexually reproducing organisms and asexually reproducing
organisms.What boundaries should exist so as to group organisms into species has always been
ambiguous.No such species boundaries were set earlier.Darwin used it as a part of his argument
for common ancestor because according to him god had created the species and this was known
as Creationism and he emphasized on the process of natural selection to be an active process that
led to evolution from common ancestor.
3.The phenomenon that the diagram illustrates is homology.Homology in embryo is known as
ontogenetic homology and means that two or more species share same embryological similarities
and it gives an evidence that all the three embryos of species have a common ancestor but in
process of time have undergone remodelling of body parts through natural selection..
G10 q3 w5_biodiversity _ evolution_removed
Fossil records, comparative anatomy, and genetic information provide evidence for evolution in three key ways:
1) Fossil records show how organisms have changed over time, with older fossils showing simpler ancestral forms and more recent fossils showing more complex descendant forms. The arrangement of fossils in rock layers and their changing anatomical features over time support the theory of evolution.
2) Comparative anatomy reveals homologous structures shared between related organisms and their ancestors, such as bones in the limbs of humans, whales, crocodiles and other vertebrates. These homologous structures provide evidence of common descent.
3) Examining DNA and protein sequences, such as cytochrome-c, shows greater similarity between more
Evolutionary-Relationships-of-Organism-2.pptx
The document discusses using molecular evidence like amino acid sequences to determine evolutionary relationships. It provides cytochrome c, a protein found in mitochondria, as an example. Comparisons of cytochrome c amino acid sequences among different organisms can infer how closely or distantly they are related on an evolutionary timescale. The more similar the sequences are, the more closely related the organisms. The document emphasizes that using multiple lines of molecular evidence provides stronger inferences about evolutionary relationships than any single source alone.
A few sentencessingle paragraph for each item should be sufficient,.docx
This document contains 16 questions about various topics in biology:
1. Deuterostomes and protostomes are concepts that describe whether an embryo's first opening is the mouth or anus, and they are useful for understanding early development.
2. Seeds had advantages like dispersal and dormancy over earlier plant structures.
3. Homologies and analogies reveal information about the evolutionary history of life on Earth based on shared and convergent traits.
4. Plants were necessary for animals to evolve by producing oxygen and providing a food source.
5. Extinctions have been caused by events like asteroid impacts, climate change, and disease. Periods after mass extinctions saw changes like the rise of new dominant
taxonomyphylogenytutorial.ppt GENERAL BIOLOGY
The document provides an overview of taxonomy and phylogeny. It discusses Linnaeus' classification system, evolutionary taxonomy, cladistics, cladograms, homologous and derived characters, and differences between monophyletic, paraphyletic, and polyphyletic groups. Key points covered include that cladistics requires all groups to be monophyletic while evolutionary taxonomy sometimes allows paraphyletic groups, and cladograms illustrate the nested hierarchy of clades defined by shared derived characters.
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.
5.4 cladistics student copy
Cladistics is a method of classifying organisms based on their evolutionary relationships and their most recent common ancestor. A clade is a group of organisms that have evolved from a common ancestor. Evidence from DNA sequences and protein structures is used to construct cladograms, which are tree diagrams that show the probable sequence of divergence of clades. Cladograms help determine which traits are primitive, inherited from a distant ancestor, and which traits are derived and evolved more recently. This analysis can reveal relationships that differ from classifications based only on physical appearance.
Evolution Study Guide
The document provides an overview of evolution including:
1. What evolution is and how it works through natural selection and environmental pressures causing organisms to adapt, become extinct, or die out.
2. Examples are given of natural selection like limited resources forcing adaptation or extinction.
3. Evidence for evolution includes fossil records showing changes over time, and anatomical similarities between organisms indicating common ancestry.
The Family Tree
1. Evolutionary relationships between species can be represented as a branching family tree called a phylogeny, which traces patterns of shared ancestry.
2. All life on Earth can be divided into three major groups: Archaea, Bacteria, and Eukaryota.
3. Phylogenies illustrate how lineages split over time from common ancestors, but they do not imply that some organisms are more "advanced" than others.
Cells 6th Grade
The document provides background information on cells, including that cells are the basic building blocks of living things, cells have different types that perform specialized functions, and the cell theory states that all cells come from other cells. It then discusses the early discoveries of cells by scientists like Hooke, Schleiden, and Schwann that helped establish the cell theory and furthered understanding of cell structure.
Exam 2 Study Guide. All questions will be over these concepts, voc.docx
Exam 2 Study Guide. All questions will be over these concepts, vocabulary, and facts
Chp 10:
Cell Cycle
Genome
Mitosis
Chp11:
Meiosis
Gamete
Haploid & Diploid cell
Sexual reproduction
Chp12:
Gregor Mendel
Traits
Genotype & Phenotype
Allele
Dominant Trait & Recessive trait
Homozygous & Heterozygous
Punnet Square (concept. You will not do one on the exam)
Predictable Genetic frequencies (pedigree, farming genetic disorders)
Wild Type
Law of Segregation
Law of Independent assortment
Chp14:
DNA
Backbone
Nucleic Acid
Nucleotides
Base
Base Pair
Codon
Gene
Chromosome
DNA Polymerase (concept, vocab word)
Helicase (concept, vocab word)
Okazaki Fragment (concept, vocab word)
Proof Reading
Telomeres
DNA bases (4) and which bind
RNA: Uracil
Steps of DNA Replication (just listing the steps: min 5 max 10, depending on word choice)
Chp 15:
The Central Dogma of Biology
Transcription (steps, concepts)
Translation (steps, concepts)
tRNA
Mutation
Biotechnology
Chp 18:
Evolution
Natural Selection
Charles Darwin & Alfred R. Wallace
“Survival of the fittest” is incorrect.
Adaptation
Species
Hybrid (species): Postzygotic & Prezygotic
Speciation
Allopatric Speciation
Sympatric Speciation
Adaptive Radiation
Gradual Speciation & Punctuated Equilibrium
Chp 19:
Evolution
Evolution cumulative functions of: (know each)
Mutation, Genetic Drift, Migration, Natural Selection
Chance (involved with Evolution): Fixation, Founder Effect, Population Bottleneck
Natural Selection: 3 conditions for occurrence; what it looks like; what it does/does not do
Convergent Evolution
Evolution’s influence over, but not its “purpose”
Species are the basic unit of Biodiversity
Chp 20:
Phylogeny
Phylogenetic Trees/models
Concept of “shared ancestry”
Taxonomy: concept, define, & list 8 hierarchical categories
Convergent Evolution
Molecular Systematics & DNA Homology
Compare Phylogeny verse the “species concept”
Chp 21-29:
Biodiversity
Flora, Fauna, Biota
Virus (concept, importance to Evolution by Natural Selection)
Importance of “Domain”
Prokaryotes: Define, importance/role in Nature
Stromatolites as evidence
Biofilms
Protists: define, importance/role in Nature
Fungi: Define, importance/role in Nature
3 descriptors of Fungi
Fungal DNA
Hyphae & Mycelium
Decomposer
Mycorrhizae
Plants:
Ancestry (phylogeny)
Plants: Define, importance/role in nature
3 defining descriptors of Plants
Specific adaptations for evolution to land
3 problems all plants (as a phylogenetic group) face
Non-vascular Plant
Vascular Plant
Vascular Seed Plant
Vascular Tissue: Xylem & Phloem
Roots, True leaves
Waxy Cuticle
Important role of Ecological Succession of Plants to Life
Seed Plants:
Seed: define, role/importance of to a plant, water & reproduction
Spermatophytes
Gymnosperm
Angiosperm,
Flower & Fruit
Flower: Stamen, Carpel, Petal, Ovary)
Herbivory
Pollination & Pollinators: Trickery, Bribery, coevolution of
Importance of Plants to Humans
Humans and Plants coevolution
The life of a bee is very different f ...
Molecular homology
The document discusses molecular homology as an argument for common descent. Critics argue that molecular similarities may reflect common functions rather than common ancestry. Different types of evidence, such as anatomy and DNA, sometimes produce conflicting tree patterns that do not all point to the same evolutionary relationships. Some biologists, like Carl Woese, argue this indicates that universal common descent is incorrect and that life may have had multiple independent origins. The discovery of different genetic codes also challenges the idea of common ancestry.
Ch.20 lecture presentation1
1. The document discusses phylogenies and the history of life through phylogenetic and cladistic analysis. It describes how biologists reconstruct evolutionary relationships between organisms and how different phylogenetic methods, like cladistics, are used to build evolutionary trees.
2. Key topics covered include Darwin's concept of the "tree of life", methods for determining shared derived versus ancestral traits, and how molecular data is now widely used to construct phylogenies. Examples of phylogenetic analysis are provided for the evolution of feathers in birds and the origins of HIV in humans.
3. Horizontal gene transfer is discussed as important for prokaryote evolution and some eukaryotes, challenging the view of a strictly bifurcating "tree of life
Please place all the terms into a concept map. Please be sure to des.pdf
Please place all the terms into a concept map. Please be sure to describe the nature of the
connections and
describe WHY each linkage is made. (we need to connect the words with lines with a word or
two beside it describing how they are connected, appreciate your help).
Terms:
Microevolution, macroevolution,
\"On the Origin of Species\"
Selective breeding
Sticklebacks
speciation
experimental evolution
extinction
law of succession
transitional fossil
vestigal
homology
molecular homology
convergent evolution
common ancestor
uniformitarianism
radiometric dating
Geologic time scale
Solution
i) Microevolution: As the name suggests it a kind of evolution happens in a small group (micro)
over a short period of time. On the contrary ii) Macroevolution: describes us about a major
evolutionary change of a group (taxonomic) over a long period of time.
iii) \"On the origin of species\": Basically it is a book written by Darwin. As our father of
evolutionary studies Charles Darwin suggests by means of natural slection favoured species only
exists, this is the basis of evolution.
iv) Selective breeding: where we use artificial breeding method to select particularly a
phenotypic trait and produce it, like plant breeding methods in a artificial way.
v) Sticklebacks: A family of fish most commonly found in oceans, also found in fresh waters.
They are found in continents like Asia, Africa, North America. They are also realted to
seahorses.
vi) Speciation: Through the process of evolution the formation of new species is known as
speciation.
vii) Experimantal evolution: This is to talk about the laboratory invented process of manipulating
and controlling the evolutionary process in an controlled environment.
viii) Extinction: When through the process of evolution species get extinct from the face of earth,
or they get ousted or completely removed.
ix) Law of Succession: In order to establish a species on an area(eg-barren land) there must be
primary species like moses and lichens to go and settle down then over the period of time other
species settles.
x) transitional fossil: Transition simply means the relation between the old and the new (that has
evolved), similarly transitional fossil are those which shows similarity between their ancestors
and also to the decendents, the relation between or link between them.
xi) Vestigal: We call any organ vestigial when its no more in use, like a rudimentary or remnant
of something, some organ that was in use before. eg- Vestigial wings of Kiwis are hidden
entirely.
xii) homology: Simple meaning is similarity of analogy like protein structure are same in many
proteins, so they have homology.
xiii) Molecular homology: When we find the molecular level similarity, as in cases of some
protein structure have alpha chains similarity.
xiv) convergent evolution: Independent evolutuion also known as, where species have evolved
independent to each other.
xv) common ancestor: Common sharing from where organisms evolved, like under t.
City Cell Vs Plant Cell Essay
- A cell is the basic unit of structure and function in living organisms.
- Eukaryotic cells have a membrane-bound nucleus and organelles, while prokaryotic cells like bacteria do not have a nucleus.
- Key organelles in eukaryotic cells include the nucleus, which contains DNA; the cell membrane, which encloses the cell; mitochondria, which generate energy; and ribosomes, which produce proteins. Plant cells also have a cell wall, chloroplasts, and a vacuole.
Similar to Homology and Analogy webquest (20)
1-A) What types of data document patterns and processes of evoluti.pdf
1-A) What types of data document patterns and processes of evoluti.pdf
1) What is the binomial system of nomenclature Who developed this .docx
1) What is the binomial system of nomenclature Who developed this .docx
1) Give one example of each of the following. a) a homologous molecul.pdf
1) Give one example of each of the following. a) a homologous molecul.pdf
A few sentencessingle paragraph for each item should be sufficient,.docx
A few sentencessingle paragraph for each item should be sufficient,.docx
Exam 2 Study Guide. All questions will be over these concepts, voc.docx
Exam 2 Study Guide. All questions will be over these concepts, voc.docx
Please place all the terms into a concept map. Please be sure to des.pdf
Please place all the terms into a concept map. Please be sure to des.pdf
Recently uploaded
HUMAN EYE By-R.M Class 10 phy best digital notes.pdf
Class 10 human eye notes physics
Handwritten best quality
Farming systems analysis: what have we learnt?.pptx
Presentation given at the official farewell of Prof Ken Gillet at Wageningen on 13 June 2024
Signatures of wave erosion in Titan’s coasts
The shorelines of Titan’s hydrocarbon seas trace flooded erosional landforms such as river valleys; however, it isunclear whether coastal erosion has subsequently altered these shorelines. Spacecraft observations and theo-retical models suggest that wind may cause waves to form on Titan’s seas, potentially driving coastal erosion,but the observational evidence of waves is indirect, and the processes affecting shoreline evolution on Titanremain unknown. No widely accepted framework exists for using shoreline morphology to quantitatively dis-cern coastal erosion mechanisms, even on Earth, where the dominant mechanisms are known. We combinelandscape evolution models with measurements of shoreline shape on Earth to characterize how differentcoastal erosion mechanisms affect shoreline morphology. Applying this framework to Titan, we find that theshorelines of Titan’s seas are most consistent with flooded landscapes that subsequently have been eroded bywaves, rather than a uniform erosional process or no coastal erosion, particularly if wave growth saturates atfetch lengths of tens of kilometers.
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
学校原件一模一样【微信：741003700 】《(salfor毕业证书)索尔福德大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Compexometric titration/Chelatorphy titration/chelating titration
Classification
Metal ion ion indicators
Masking and demasking reagents
Estimation of Magnisium sulphate
Calcium gluconate
Complexometric Titration/ chelatometry titration/chelating titration, introduction, Types-
1.Direct Titration
2.Back Titration
3.Replacement Titration
4.Indirect Titration
Masking agent, Demasking agents
formation of complex
comparition between masking and demasking agents,
Indicators/Metal ion indicators/ Metallochromic indicators/pM indicators,
Visual Technique,PM indicators (metallochromic), Indicators of pH, Redox Indicators
Instrumental Techniques-Photometry
Potentiometry
Miscellaneous methods.
Complex titration with EDTA.
快速办理(UAM毕业证书)马德里自治大学毕业证学位证一模一样
学校原件一模一样【微信：741003700 】《(UAM毕业证书)马德里自治大学毕业证学位证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Authoring a personal GPT for your research and practice: How we created the Q...
Thematic analysis in qualitative research is a time-consuming and systematic task, typically done using teams. Team members must ground their activities on common understandings of the major concepts underlying the thematic analysis, and define criteria for its development. However, conceptual misunderstandings, equivocations, and lack of adherence to criteria are challenges to the quality and speed of this process. Given the distributed and uncertain nature of this process, we wondered if the tasks in thematic analysis could be supported by readily available artificial intelligence chatbots. Our early efforts point to potential benefits: not just saving time in the coding process but better adherence to criteria and grounding, by increasing triangulation between humans and artificial intelligence. This tutorial will provide a description and demonstration of the process we followed, as two academic researchers, to develop a custom ChatGPT to assist with qualitative coding in the thematic data analysis process of immersive learning accounts in a survey of the academic literature: QUAL-E Immersive Learning Thematic Analysis Helper. In the hands-on time, participants will try out QUAL-E and develop their ideas for their own qualitative coding ChatGPT. Participants that have the paid ChatGPT Plus subscription can create a draft of their assistants. The organizers will provide course materials and slide deck that participants will be able to utilize to continue development of their custom GPT. The paid subscription to ChatGPT Plus is not required to participate in this workshop, just for trying out personal GPTs during it.
Candidate young stellar objects in the S-cluster: Kinematic analysis of a sub...
Context. The observation of several L-band emission sources in the S cluster has led to a rich discussion of their nature. However, a definitive answer to the classification of the dusty objects requires an explanation for the detection of compact Doppler-shifted Brγ emission. The ionized hydrogen in combination with the observation of mid-infrared L-band continuum emission suggests that most of these sources are embedded in a dusty envelope. These embedded sources are part of the S-cluster, and their relationship to the S-stars is still under debate. To date, the question of the origin of these two populations has been vague, although all explanations favor migration processes for the individual cluster members. Aims. This work revisits the S-cluster and its dusty members orbiting the supermassive black hole SgrA* on bound Keplerian orbits from a kinematic perspective. The aim is to explore the Keplerian parameters for patterns that might imply a nonrandom distribution of the sample. Additionally, various analytical aspects are considered to address the nature of the dusty sources. Methods. Based on the photometric analysis, we estimated the individual H−K and K−L colors for the source sample and compared the results to known cluster members. The classification revealed a noticeable contrast between the S-stars and the dusty sources. To fit the flux-density distribution, we utilized the radiative transfer code HYPERION and implemented a young stellar object Class I model. We obtained the position angle from the Keplerian fit results; additionally, we analyzed the distribution of the inclinations and the longitudes of the ascending node. Results. The colors of the dusty sources suggest a stellar nature consistent with the spectral energy distribution in the near and midinfrared domains. Furthermore, the evaporation timescales of dusty and gaseous clumps in the vicinity of SgrA* are much shorter ( 2yr) than the epochs covered by the observations (≈15yr). In addition to the strong evidence for the stellar classification of the D-sources, we also find a clear disk-like pattern following the arrangements of S-stars proposed in the literature. Furthermore, we find a global intrinsic inclination for all dusty sources of 60 ± 20◦, implying a common formation process. Conclusions. The pattern of the dusty sources manifested in the distribution of the position angles, inclinations, and longitudes of the ascending node strongly suggests two different scenarios: the main-sequence stars and the dusty stellar S-cluster sources share a common formation history or migrated with a similar formation channel in the vicinity of SgrA*. Alternatively, the gravitational influence of SgrA* in combination with a massive perturber, such as a putative intermediate mass black hole in the IRS 13 cluster, forces the dusty objects and S-stars to follow a particular orbital arrangement. Key words. stars: black holes– stars: formation– Galaxy: center– galaxies: star formation
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Ozturkcan, S., Berndt, A., & Angelakis, A. (2024). Mending clothing to support sustainable fashion. Presented at the 31st Annual Conference by the Consortium for International Marketing Research (CIMaR), 10-13 Jun 2024, University of Gävle, Sweden.
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.Randomised Optimisation Algorithms in DAPHNE
Slides from talk:
Aleš Zamuda: Randomised Optimisation Algorithms in DAPHNE .
Austrian-Slovenian HPC Meeting 2024 – ASHPC24, Seeblickhotel Grundlsee in Austria, 10–13 June 2024
https://ashpc.eu/
11.1 Role of physical biological in deterioration of grains.pdf
Storagedeteriorationisanyformoflossinquantityandqualityofbio-materials.
Themajorcausesofdeteriorationinstorage
•Physical
•Biological
•Mechanical
•Chemical
Storageonlypreservesquality.Itneverimprovesquality.
Itisadvisabletostartstoragewithqualityfoodproduct.Productwithinitialpoorqualityquicklydepreciates
Mechanisms and Applications of Antiviral Neutralizing Antibodies - Creative B...
Neutralizing antibodies, pivotal in immune defense, specifically bind and inhibit viral pathogens, thereby playing a crucial role in protecting against and mitigating infectious diseases. In this slide, we will introduce what antibodies and neutralizing antibodies are, the production and regulation of neutralizing antibodies, their mechanisms of action, classification and applications, as well as the challenges they face.
fermented food science of sauerkraut.pptx
This ppt contains the production of a fermented food name - sauerkraut
Recently uploaded (20)
HUMAN EYE By-R.M Class 10 phy best digital notes.pdf
HUMAN EYE By-R.M Class 10 phy best digital notes.pdf
Farming systems analysis: what have we learnt?.pptx
Farming systems analysis: what have we learnt?.pptx
Clinical periodontology and implant dentistry 2003.pdf
Clinical periodontology and implant dentistry 2003.pdf
GBSN - Biochemistry (Unit 6) Chemistry of Proteins
GBSN - Biochemistry (Unit 6) Chemistry of Proteins
Compexometric titration/Chelatorphy titration/chelating titration
Compexometric titration/Chelatorphy titration/chelating titration
Authoring a personal GPT for your research and practice: How we created the Q...
Authoring a personal GPT for your research and practice: How we created the Q...
Candidate young stellar objects in the S-cluster: Kinematic analysis of a sub...
Candidate young stellar objects in the S-cluster: Kinematic analysis of a sub...
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
11.1 Role of physical biological in deterioration of grains.pdf
11.1 Role of physical biological in deterioration of grains.pdf
Mechanisms and Applications of Antiviral Neutralizing Antibodies - Creative B...
Mechanisms and Applications of Antiviral Neutralizing Antibodies - Creative B...
Introduction_Ch_01_Biotech Biotechnology course .pptx
Introduction_Ch_01_Biotech Biotechnology course .pptx
Homology and Analogy webquest
- 1. Name: Date: Period: Understanding Evolution: Homology and Analogy http://evolution.berkeley.edu/evolibrary/ ' Go to "What is the Evidence for Evolution.” Go to Similarities and differences: Understanding homology and analogy 1. a) In the image, which pair represents an analogy and which a homology? b) Define homology: c) Define analogy: 2. What is a tetrapod? 3. What are the six bones found in all tetrapod legs? 4. Identify these limbs (to what animal do they belong)? 5. What did the common ancestor of all modern tetrapods look like? 6. Side Trip: "not just anatomy." - How are a bird and a crocodile homologous? 7. Similar structures that evolved independently are called _________________________. 8. a) What is the difference between a marsupial and a placental? b) What is Smilodon? c) What is Thylacosmilus, 9. Describe how two unrelated flowers could evolve to have a similar appearance? 10. Are similarities between sharks and dophins homologous or analogous? 11. What is morphology? 12. What three criteria are used to determine whether something is a homology or analogy?
- 2. 13. Below each set of bones, fill in the name of the animal they belong to. 14. Considering all of the evidence, are the "wings" (actually flaps of skin stretched between the legs) of sugar gliders and flying squirrels homologous or analogous structures? Explain why you would conclude this. 15. Sidetrip: See more examples of homology and examples of analogy. a) How are a venus fly trap and a pitcher plant homologous? b) How are barnacles and limpets alike? How can these similarities be explained? _________