Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 15.3, Problem 2CYL
- explain the difference between similarity due to homology and similarity due to convergent evolution?
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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 phenotypes
Compare and contrast convergent evolution and evolution by common descent, and give an example of each.
If mutations such as those of the Ubx gene can drastically change morphology in a single step, why do most evolutionary biologists maintain that modification of existingtraits and the evolution of novel characters have generally proceeded by successive small steps?
Chapter 15 Solutions
Biology
Ch. 15.1 - identify some of the thinkers whose ideas set the...Ch. 15.1 - Prob. 2CYLCh. 15.1 - define evolution?Ch. 15.2 - A recent study found that Galpagos mockingbirds on...Ch. 15.2 - Prob. 2TCCh. 15.2 - explain how natural selection works and how it...Ch. 15.2 - describe the logic, based on four postulates, by...Ch. 15.3 - The fossil history of some kinds of modem...Ch. 15.3 - What Good Are Wisdom Teeth and Ostrich Wings?...Ch. 15.3 - Are a peacocks tail and a dogs tail homologous...
Ch. 15.3 - Between 70% and 85% of people will experience...Ch. 15.3 - describe the evidence that evolution has occurred?Ch. 15.3 - explain the difference between similarity due to...Ch. 15.3 - What Good Are Wisdom Teeth and Ostrich Wings? Just...Ch. 15.4 - To reduce the incidence of pesticide resistance,...Ch. 15.4 - describe some observations and experiments that...Ch. 15.4 - Some advocates of the view that all organisms were...Ch. 15 - Whale skeletons contain nonfunctional pelvic bones...Ch. 15 - Darwin was influenced by Malthuss thinking about...Ch. 15 - Prob. 3MCCh. 15 - Which of the following is not required for...Ch. 15 - Prob. 5MCCh. 15 - The flipper of a seal is homologous with the _____...Ch. 15 - Prob. 2FIBCh. 15 - Georges Cuvier espoused a concept called ______ to...Ch. 15 - Prob. 4FIBCh. 15 - Prob. 5FIBCh. 15 - Darwin's postulate 2 states that ______. The work...Ch. 15 - Prob. 1RQCh. 15 - Distinguish between catastrophism and...Ch. 15 - Describe Lamarcks theory of inheritance of...Ch. 15 - What is natural selection? Describe how natural...Ch. 15 - Describe how evolution occurs. In your...Ch. 15 - What is convergent evolution? Give an example.Ch. 15 - How do biochemistry and molecular genetics...Ch. 15 - In what sense are humans currently acting as...Ch. 15 - In discussions of untapped human potential, It is...Ch. 15 - Does evolution through natural selection produce...
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- Can you explain what convergent and divergent evolution is and explain why it may be hard to distinguish between the two..?arrow_forwardBriefly explain what convergent evolution is.arrow_forwardCan convergent (or parallel) evolution of similar morphology in two different lineages involve DNA sequence evolution in different parts of the same developmental gene? Explain how.arrow_forward
- Structures in two different species may be similar because of either of two very different reasons. Describe these two reasons. You must use all four of the following terms in your explanation: homologous structures, analogous structures, convergent evolution, and divergent evolutionarrow_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_forwardHow does outgroup comparison facilitate the identification of ancestral and derived character states?arrow_forward
- How are shared ancestral characters and shared derived characters different? How is the concept of homology related to these concepts?arrow_forwardName 3 of the 6 different categories of evidence used to document Evolution and what are the (2) categories of evidence for Morphology?arrow_forwardWhy is it important for scientists to distinguish between homologous and analogous characteristics before building a Phylogenetic tree?arrow_forward
- Referring to the phylogenetic tree shown above, answer the following questions: 1. How many OTUs are included in the phylogenetic analysis? 2. How many clades are there? 3. What is an autapomorphic trait of the domestic cat? Explain why? 4. What is the shared derived trait (synapomorphy) in the Family Felidae? Explain why?arrow_forwardWhich type of evidence for evolution is most accurate in determining evolutionary relationships–morphology or molecular and why?arrow_forwardDifferentiate between convergent & divergent evolution?arrow_forward
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