Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 20.1, Problem 3CC
Summary Introduction
To draw:
A phylogenetic tree as new evidence indicates that taxon E, with reference to Figure. 20.5 “How to read a phylogenetic tree”, in the textbook, is the sister taxon of a group consisting of taxa D and F.
Introduction:
The branching diagram that represents evolutionary history of organisms is known as phylogenetic tree. Phylogenetic tree also helps in identifying the DNA sequence of related organisms as well as of different organisms.
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Chapter 20 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
Ch. 20.1 - Which levels of the classification in Figure 20.3...Ch. 20.1 - Which of the trees shown here depicts an...Ch. 20.1 - Prob. 3CCCh. 20.2 - Decide whether each of the following pairs of...Ch. 20.2 - WHAT IF? Suppose that two species, A and B, have...Ch. 20.3 - Prob. 1CCCh. 20.3 - The most parsimonious tree of evolutionary...Ch. 20.3 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 20.4 - What is a molecular clock? What assumption...Ch. 20.4 - MAKE CONNECTIONS Review Concept 14.5. Then...
Ch. 20.4 - WHAT IF? Suppose a molecular clock dates the...Ch. 20.5 - Why is the kingdom Monera no longer considered a...Ch. 20.5 - Prob. 2CCCh. 20.5 - Prob. 3CCCh. 20 - In a comparison of birds and mammals, the...Ch. 20 - To apply parsimony to constructing a phylogenetic...Ch. 20 - Prob. 4TYUCh. 20 - Prob. 5TYUCh. 20 - If you were using cladistics to build a...Ch. 20 - Prob. 7TYUCh. 20 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a phylogenetic...Ch. 20 - FOCUS ON EVOLUTION Darwin suggested looking at a...Ch. 20 - Prob. 10TYUCh. 20 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...
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- Design an Experiment Imagine that you are trying to determine the evolutionary relationships among six groups of animals that look very much alike because they have few measurable morphological characters. What data would you collect to reconstruct their phylogenetic history?arrow_forwardEVOLUTION LINK Examine the cladogram in Figure 30-6a. Based on the discussion in this chapter, what were some of the types of data that biologists used to determine these phylogenetic relationships?arrow_forwardIn a cladogram, each node represents a(n) _______ . a. single lineage b. extinction c. common ancestor d. adaptive radiationarrow_forward
- INTERPRET DATA Imagine that you discover a new animal in a rain forest. It has an elongated, segmented body with bristles, and it has no obvious head. Where would youplace this animal in the accompanying cladogram? Support your decision. Look at the more detailed cladogram inFigure 30-6a (in Chapter 30). What additional characteristicswould help you place your animal in this cladogram? Explainyour decision-making process.arrow_forwardWhere in a phylogenetic tree would you expect to find the organism that had evolved most recently? at the base within the branches at the nodes at the branch tipsarrow_forwardTest Your Understanding Apply and Analyze 9. In interpreting a cladogram, (a) we can identify the specific ancestor of each taxon by tracing each branch back to the node closest to the root (b) taxa on the right side of a cladogram have evolved from the taxa on the left side (c) the relative placement of smaller branches allows us to determine the number of years since a particular taxon has evolved (d) we can determine relationships by tracing along the branches back to the most recent common ancestor (e) we must first identify horizontal gene transferarrow_forward
- Question:- Do you think, autapomorphy conveys a lot of information about phylogenetic relations hip? Please explain the reasoning.arrow_forwardThe phylogenetic tree to the right showsthe evolutionary relationships of taxa A –H. The shapes represent character statetrait changes. A. Which traits (shapes) would individualsin taxa D have? Draw the collection oftraits. B. Is the triangle a synapomorphy orpleisomorphy (circle one)? C. Is the circle a synapomorphy orsympleisomorphy (circle one)?arrow_forward1. Contrast homology and analogy. Give an example of homoplasy. 2. Discuss adaptation and preadaptation. 3. Compare and contrast divergent, convergent, parallel, and organic evolution. 4. What is a vestigial structure? A rudimentary structure? 5. Describe heterochrony – specifically paedogenesis, neoteny, and paedomorphosis.arrow_forward
- Please just solve question 5, thanku! 2.Clades can be described as "natural groups."Why do you Bthink this is so？ 3.What do the“tips"and“branches"of a phylogenetic tree represent？ 4.Describe how you“trace ancestors back through time"on a phylogenetic tree. 5.Compare and contrast traditional and phylogenetic classification systems. (a）What are the advantages and disadvantages of each？ (b)Think of an example of when it would be useful to use a traditional classification.Why would this system be the best choice in this case？ (c)Think of a situation where it would be useful to use phylogenetic classification system.Why would this system be the best choice in this case？ 6. Traditional and phylogenetic classification systems usually place species in the same groups. For example，both systems place lions and tigers together，and horses.arrow_forwardEvaluate and Synthesize 16. EVOLUTION LINK Where would you position the rhyniophytes on Figure 27-13? Would the line for rhyniophytes extend to the tips of the rest of the cladogram? Why or why not?arrow_forwardQuestion:- Why might some scientists use the morphological species concept or the ecological species concept instead of the biological species concept to define some species? Provide some examples in your reasoning.arrow_forward
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What is Evolution?; Author: Stated Clearly;https://www.youtube.com/watch?v=GhHOjC4oxh8;License: Standard Youtube License