Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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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
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Differentiate between analogous and homologous structures.
Explain the relationship between ploidy and genetic diversity.
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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- Compare and contrast homologous structures and analogous structures. Provide one example of two homologous structures, and one example of two analogous structures.arrow_forwardUse examples to explain the difference between analogousstructures and homologous structures.arrow_forwardExplain thoroughly the significance of developmental biology to the preservation of life.arrow_forward
- According to Richard Owen, the forelimbs of an adult human (with hands, adapted for grasping fruit), and the forelimbs of an adult cat (with claws, adapted for catching prey animals), are both derived from the same embryological structures, so they must represent: analogous structures, with similar functions, but different anatomy homologous structures, with similar anatomy, but different functions analogous structures, with different functions, and different anatomy homologous structures, with different anatomy, but similar functions analogous structures, with different anatomy, and different functionsarrow_forwardAccording to Richard Owen, the forelimbs of an adult human (with hands, adapted for grasping fruit from a tree), and the forelimbs of an adult bat (with wings, adapted for flight), are both derived from the same mammalian embryological structures, so they must represent: homologous structures, with similar embryonic anatomy, but different functions analogous structures, with different functions, and different embryonic anatomy analogous structures, with similar functions, but different embryonic anatomy analogous structures, with different embryonic anatomy, and different functions homologous structures, with different embryonic anatomy, but similar functionsarrow_forwardDescribe examples in animals that involve variation in euploidy.arrow_forward
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