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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Which of the following statements is correctly stated?
Homology is due to ahared ancestry whereas analogy is due to convergentevolution.
Analogy is due to shared anceatry whereas homology is due to convergent evolution.
Homology is due to ahared biochemistry whereas analogy is due to shared molecular characteristics.
Homology is due to shared morphology whereas analogy is due to shared molecular characteristics.
S0000
The neutral theory of molecular evolution is now accepted as part of the theory of evolution by natural selection.
a)True
b)False
Briefly discuss the differences in how a selectionist (one that believes that Natural Selection is a strong evolutionary force) and a neutralist (one that believes that genetic drift is a strong evolutionary force) views the following: molecular clock, evolution of coding sequences, evolution of "pseudogenes".
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Molecular marker is used to determine relatedness of species which may directly or indirectly exerts an effect on diversity. A hypothetical ancestor has the following DNA sequences: G A A G C T A T T C A T T. There are two lineage with DNA sequences of G A A G G T A T T C T C G, and G A A C C T A T T C T G C. (1) Determine the percentage of A and T in the DNA sequence of the hypothetical ancestor. (2) Calculate the percentage of each nitrogenous base in the second lineage.arrow_forwardWhat 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_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
- 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?arrow_forwardWhich type of evidence for evolution is most accurate in determining evolutionary relationships–morphology or molecular and why?arrow_forwardWhich of the following best explains why coalescent-based phylogenetic inference is important in the age of phylogenomics? A) Coalescent-based methods directly model gene tree histories independently to infer the species tree in a summary-based manner, which is important for phylogenomic analysis were hundreds to thousands of gene histories are analyzed. B) Coalescent-based methods have the most advanced evolutionary models of molecular evolution, which is important for phylogenomic analysis were hundreds to thousands of gene histories are analyzed. C) Coalescent-based methods are no more important than other types of phylogenetic inference, even for phylogenomic analyses. D) None of the above.arrow_forward
- Consider the following sample dataset of character traits for five taxa (A, B, C, D, and E) and an outgroup (O) and answer the following: Taxon, Character 1 A B C D 1 1 1 0 0 Character 2 0 0 0 1 1 0 Character 3 1 1 0 0 0 0 Character 4 1 1 1 0 0 0 (A) Identify which character traits are ancestral and which are derived, (B) Determine the two taxa most closely related to each other (C) Are any of the character traits obvious homoplasies? If so, which ones? (D) Name three taxa that if put in their own taxonomic group would be considered paraphyletic.arrow_forwardInformation 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_forwardWhich of the following statements best explains the importance of sister taxa for understanding the evolution of ingroup taxa? A) The sister group informs of the likely state of the common ancestor of the ingroup. B) The sister group is composed only of ancestral characters representing a primitive taxon having ancestral states for all characters able to be studied. C) The sister group allows us to infer character state polarity in order to understand how character states have changed during evolution of the ingroup. D) A & B E) A& C F) All of the above.arrow_forward
- Define 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_forwardWhich statement is usually true about phylogenetic trees? a) nodes represent points when traits have evolved b) branch tips that are next to each other are more closely related c) the branching pattern describes the hypothesized evolutionary relationships between the taxa d) the order of the branch tips (left to right) indicates which taxa are more advanced evolutionarilyarrow_forwardOn a phylogenetic tree, the length of branches is a.) The comparison of homologous DNA and RNA sequences provided by Woese. b.) The separation of living organisms into three domains c.) The point in evolution when, based on scientific evidence, an ancestor is thought to have diverged to form two new species. d.) Proportional to the time elapsed since the split.arrow_forward
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