Evolutionary Analysis (5th Edition)
5th Edition
ISBN: 9780321616678
Author: Jon C. Herron, Scott Freeman
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 2Q
According to the evolutionary tree in Figure 4.37, which lived earlier: the last common ancestor of whales and pigs, or the last common ancestor of whales and bats? Explain how the tree shows this.
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Chapter 4 Solutions
Evolutionary Analysis (5th Edition)
Ch. 4 - According to the evolutionary tree in Figure 4.37,...Ch. 4 - According to the evolutionary tree in Figure 4.37,...Ch. 4 - Sketch a version of the tree in Figure 4.37 in...Ch. 4 - In the tree in Figure 4.37, identify a...Ch. 4 - What is a synapomorphy?Ch. 4 - High-crowned teeth that are well suited for...Ch. 4 - Assuming the four living species in Figure 4.38...Ch. 4 - The four fish in Figure 4.39 evolved from a common...Ch. 4 - What is homoplasy? Why does homoplasy make it more...Ch. 4 - Referring to the information in Figure 4.10,...
Ch. 4 - What is the difference between a molecular...Ch. 4 - Why is it seldom possible to exhaustively check...Ch. 4 - A clade in a phylogeny bears a label at its base...Ch. 4 - Examine the three primate phylogenies shown in...Ch. 4 - Historically, some scientists hypothesized that...Ch. 4 - Sketch the tree you would expect for dogs, wolves,...Ch. 4 - Darwin maintained that among living species, there...
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- Explain why the statement that a monkey is more evolved than a mouse is incorrect.arrow_forwardWhat are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestorsarrow_forwardWhat is an Analogy? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesarrow_forward
- Explain why the statement that a monkey is more evolved than an earthworm is incorrect?arrow_forwardCan you explain what convergent and divergent evolution is and explain why it may be hard to distinguish between the two..?arrow_forwarda) Draw a phylogenetic tree based on characters 1-5 in the table below. Place hatch marks on the tree to indicate the origin of characters 1-6. b) Assume that tuna and dolphins are sister species and redraw the phylogenetic tree accordingly. Use hatch marks to indicate the origin of characters 1-6. c) How many evolutionary changes are required in each tree? Which tree is most parsimonious? Use figure 20.5 and 20.12 from the Campbell, Biology in focus. Can you pls explain this to me?arrow_forward
- What is convergent evolution? Give an example.arrow_forwardDolphins and fish have similar body shapes. Is this feature more likely a homologous or analogous trait? Why is it so important for scientists to distinguish between homologous and analogous characteristics before building phylogenetic trees?arrow_forwardBased on the phylogenetic tree, if you go back in time and look for species B, you will find that species B is not chimpanzee, gorilla, or human. True or falsearrow_forward
- What is a Homology? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesarrow_forwardFrom the early 1700s to the modern day, how did various lines of evidence refine scientists' understanding about the ancestry of Cetaceansarrow_forwardWhat was the common ancestor of chimpanzees and humans: a chimpanzee, a human, or neither? Explain your answer.arrow_forward
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