Campbell Biology Custom Stony Brook 10 Th Edition
10th Edition
ISBN: 9781269870818
Author: Reece Urry Cain Wasserman Minorsky Jackson
Publisher: PEARSON
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Chapter 26, Problem 10TYU
WRITE ABOUT A THEME: INFORMATION In a Short essay (100-150 words), explain how genetic information—along with an understanding of the process of descent with modification—enables scientists to reconstruct phylogenies thatextend hundreds of millions of years back in time.
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Geneticists have determined the amount of DNA, the number of different genes, and the size of the cell/nucleus in a wide variety of model organisms. as we move up the phylogenetic scale, the amount of DNA/cell increases much more rapidly than does the volume in which that DNA must be packaged. How do higher organisms package their DNA in the interphase cell?
Study the diagrams below. The diagrams represent four possible phylogenetic trees showing the
relationship between the four species: M, L, S, and R.
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A
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M
LR
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RM S
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What is the plausible explanation for the appearance of autapomorphic character c in species L and S of
tree A although they do not share a most recent common ancestor?
Draw a phylogenythat accurately portrays the evolutionary relationships among the organisms listed. Each organism listed should be at the tip of a branch on the tree. Use the internet to discover what type of organisms they are, and refer to the textbook and course notes as you determine the relationships among these organisms.
Label the phylogeny with each of the 6 species listed and write on the tree where the following derived traits evolved: specialized tissues, radial symmetry, bilateral symmetry, deuterostomy, protostomy, and ecdysozoan cuticle (the need for an animal to molt in order to grow).
Anthopleura xanthogrammica Giant Green Anemone
Chondrocladia lyra. harp sponge
Diadema antillarum black sea urchin
Euphasia superba. Antarctic krill
Phrynosoma cornutum. horny toad
Taenia saginata. beef tapeworm
Chapter 26 Solutions
Campbell Biology Custom Stony Brook 10 Th Edition
Ch. 26.1 - VISUAL SKILLS: Which levels of the classification...Ch. 26.1 - Prob. 2CCCh. 26.1 - Prob. 3CCCh. 26.2 - Decide whether each of the following pairs of...Ch. 26.2 - Prob. 2CCCh. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 26.4 - Explain how comparing proteins of two species can...Ch. 26.4 - WHAT IF? Suppose gene A is orthologous in species...
Ch. 26.4 - Prob. 3CCCh. 26.5 - What is a molecular clock? What assumption...Ch. 26.5 - Prob. 2CCCh. 26.5 - WHAT IF? Suppose a molecular dock dates the...Ch. 26.6 - Why is the kingdom Monera no longer considered a...Ch. 26.6 - Prob. 2CCCh. 26.6 - Prob. 3CCCh. 26 - Humans and chimpanzees are sister species. Explain...Ch. 26 - Why is it necessary to distinguish homology from...Ch. 26 - Prob. 26.3CRCh. 26 - When reconstructing phylogenies, is it more useful...Ch. 26 - Prob. 26.5CRCh. 26 - Prob. 26.6CRCh. 26 - In a comparison of birds and mammals, the...Ch. 26 - To appiy parsimony to constructing a phylogenetic...Ch. 26 - VISUAL SKILLS In Figure 26.4, which similarly...Ch. 26 - Three living species X, Y, and Z share a common...Ch. 26 - Prob. 5TYUCh. 26 - If you were using cladistics to build a...Ch. 26 - VISUAL SKILLS The relative lengths of the frog and...Ch. 26 - EVOLUTION CONNECTION Darwin suggested looking at a...Ch. 26 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a...Ch. 26 - WRITE ABOUT A THEME: INFORMATION In a Short essay...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...
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- Draw a simple phylogenetic tree for two sisters clades with a common ancestor. Each sister clade consists of two taxa. Define the following terms and use to label your diagram: clade, node, branch, common ancestor, and taxon.arrow_forwardIdentify the outgroup from the phylogenetic trees and box/mark the whole lineage in red. Identify the most recent common ancestor for species A and B and mark it in blue. Identify the most recent common ancestor for species C and D and mark it in green. ABCDE DE 면 V BIU GGG !!! 르르르 M comprearrow_forwardDefine homology and homoplasy and explain their connection to the concept of parsimony in phylogenetic analysis. Provide an example of each and discuss the challenges they may present when inferring evolutionary relationships.arrow_forward
- C. Phylogenetic tree Interpretation. Salamander Lizard - Perch Hagfish Mouse Chimp Pigeon, Feathers Fur; mammary glands Claws or nails Lungs Jaws 1. Which organisms in the cladogram in figure 1 have fur and mammary glands? 2. Which organisms in the cladogram in figure 1 have jaws? 3. Based on the cladogram, which shared a common ancestor most recently----a mouse and a lizard or a mouse and a perch? 4. Which two organisms would you expect to have a closer matching DNA sequence for a gene that doesn't matter in terms of natural selection?--Hagfish and Pigeon or Hagfish and Salamander?arrow_forwardUse the information and model to answer the following question. Phylogenetic trees are a type of model that can be used to show how organisms are related through common ancestry. The phylogenetic tree model represents nodes numbered 1 through 8. A CDE F GH в I 2 |5 Using evidence from the phylogenetic tree determine which species would be MOST closely related to the species on branch C? O A. The species on Branches F, G, H, and I are all equally related to the species on branch C because they all split from a common ancestor at the same time which is illustrated by having nodes 2 and 7 at the same height. O B. The species on Branch A & B are both most closely related to the species on branch C because they share the most most recent common ancestor at node 2. C. The species on Branch B is most closely related to the species on branch c because they share the greatest number of common +ancestors. D. The species on Branch A is most closely related to the species on branch C because they…arrow_forwardExamine the following phylogenetic tree illustrated in Figure shown in the first picture. In general, what does a phylogenetic tree illustrate? How do you compare the relationships of organisms BB, CC, and DD? Given the following organisms in the Table in the second picture, number them in terms of which is relatively closest and distant. Number 1 refers to closest.arrow_forward
- Horse - Equus caballus Trace its origin and evolutionary history or changes in the species. Describe its structures and their functions. What is the importance of this species to our environment? Give trivia about this species. Does this organism produce oxygen? Explain. What are the ancestral species of your chosen organism? Has this species been genetically engineered? If yes, in what way? How does this species reproduce? What organisms have similar structures to this species? Do these structures have the same function? Does the species have tissues, organs, and/or organ systems? What is its role in the flow of energy? Give at 15 least a sentence to each question.arrow_forwardWhat is the significance of identifying structures as analogous or homologous? Relate its advantages in the following fields and cite examples: 1. Taxonomy and Systematics 2. Biodiversity and Conservationarrow_forwardPhylogenetic trees are a type of model that can be used to show how organisms are related through common ancestry. The phylogenetic tree model represents nodes numbered 1 through 8. Using evidence from the phylogenetic tree determine which species would be MOST closely related to the species on branch C? Question options: The species on Branch A is most closely related to the species on branch C because they share the most recent common ancestor at node 1. The species on Branch B is most closely related to the species on branch C because they share the greatest number of common +ancestors. The species on Branch A & B are both most closely related to the species on branch C because they share the most most recent common ancestor at node 2. The species on Branches F, G, H, and I are all equally related to the species on branch C because they all split from a common ancestor at the same time which is illustrated by having nodes 2 and 7 at the…arrow_forward
- Match the correct label to locations A, B and C on the figure below. Evolutionary history, or phylogeny, is represented visually by a phylogenetic tree. Trees have a common structure, with a root, nodes, and branches. To determine evolutionary relationships among living or extinct organisms, consider the most recent common ancestors. Lizard C: Natural selection leads to new species or groups of species. Eu Jin Chew/Dreamstime.com Crocodile B: This is the common ancestor of all organisms on the tree. Infographic 16.10 Dinion for Channing World Third Edition Gert Vrey/Dreamstime.com Dinosaur (extinct) Time musk/Alamy Bird Danita Delimont/Alamy A: This is the last common ancestor of the organisms above this point in the tree (in this case, dinosaurs and birds).arrow_forwardTopic: Role of Molecular Biology in Evolutionary Classification How does the recently developed DNA technology help scientists establish a more accurate classification scheme? Information on DNA can often indicate relatedness between organisms and even provide data on how long they have been evolving separately. Discuss the influence of DNA and molecular biology on the future of evolutionary classification.arrow_forwardAsian tiger mosquito Trace its origin and evolutionary history or changes in the species. Describe its structures and their functions. What is the importance of this species to our environment? Give trivia about this species. Does this organism produce oxygen? Explain. What are the ancestral species of your chosen organism? Has this species been genetically engineered? If yes, in what way? How does this species reproduce? What organisms have similar structures to this species? Do these structures have the same function? Does the species have tissues, organs, and/or organ systems? What is its role in the flow of energy? Give at 15 least a sentence to each question.arrow_forward
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