BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 21.5, Problem 1LO
Explain the evolutionary significance of homologous and vestigial structures
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Define homology and describe the different ways in which homologous characteristics provide evidence for the structure of the tree of
life.
Differentiate between analogous and homologous structures.
Use examples to explain the difference between analogousstructures and homologous structures.
Chapter 21 Solutions
BIOLOGY
Ch. 21.1 - Prob. 1LOCh. 21.1 - Prob. 2LOCh. 21.2 - Prob. 1LOCh. 21.2 - Distinguish between demonstrating that evolution...Ch. 21.3 - Contrast the processes of artificial and natural...Ch. 21.3 - Prob. 2LOCh. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.5 - Explain the evolutionary significance of...
Ch. 21.5 - Prob. 2LOCh. 21.6 - Prob. 1LOCh. 21.6 - Prob. 2LOCh. 21.7 - Characterize the criticisms of evolutionary theory...Ch. 21.7 - Prob. 2LOCh. 21 - Suppose that a male with a beak depth of 10 mm...Ch. 21 - Prob. 1IQCh. 21 - Prob. 2IQCh. 21 - Prob. 3IQCh. 21 - Why might the evolutionary line leading to...Ch. 21 - Artificial selection is different from natural...Ch. 21 - Gaps in the fossil record a. demonstrate our...Ch. 21 - The evolution of modern horses (Equus) is best...Ch. 21 - Homologous structures a. are structures in two or...Ch. 21 - Convergent evolution a. is an example of...Ch. 21 - Prob. 6UCh. 21 - The possession of fine fur in 5-month human...Ch. 21 - In Darwins finches, a. occurrence of wet and dry...Ch. 21 - Prob. 2ACh. 21 - Convergent evolution is often seen among species...Ch. 21 - What conditions are necessary for evolution by...Ch. 21 - Explain how data shown in figure 21.2a and b...Ch. 21 - Prob. 3SCh. 21 - Refer to figure 21.5, artificial selection in the...Ch. 21 - The ancestor of horses was a small, many-toed...
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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
- Compare and contrast homologous structures and analogous structures. Provide one example of two homologous structures, and one example of two analogous structures.arrow_forwardExplain thoroughly the significance of developmental biology to the preservation of life.arrow_forwardDiscriminate between homologous and analogous structures.arrow_forward
- ILLUSTRATE EXAMPLES OF divergent, convergent and coevolutiionarrow_forwardWhy do scientists consider vestigial structures evidence for evolution?arrow_forwardDiscuss the significance of polyploidy in the evolution of plant species. Compare and contrast allopolyploids and autopolyploids.arrow_forward
- what are the differences between homologous & analogousarrow_forwardDifferentiate analogous structures from homologous types. Identify which is which among the shark, pigeon and cat when you transition from each of the classes. For this, create a 4-column table with the following headings: (1) Structure, (2) Specimen a vs b, (3) Specimen b vs c, and (4) Specimen c vs a. For each cell, write either AS for analogous structures, or HS for homologous types. Note (not all structures encountered need to be here).arrow_forwardA researcher studying the wing structures of bats, birds, and insects finds that while they all have wings, their underlying bone structures and development are different. The wings of these organisms are examples of: Homoplasy Homology Synapomorphy Apomorphyarrow_forward
- Explain why anatomical and molecular features often fit a similar nested pattern. In addition, describe a process that can cause this not to be the case.arrow_forwardGive at least 3 examples of higher forms of life that are bilaterally symmetrical. Explain why they are bilaterally symmetrical.arrow_forwardTo determine: How do taxa get their names and can name tell us anything about evolutionary histories of taxa.arrow_forward
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