Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 20, Problem 2TYK
The wings of birds, the legs of pigs, and the flippers of dolphins provide examples of:
a. vestigial structures.
b. homologous structures.
c. acquired characteristics.
d. artificial selection.
e. uniformitarianism.
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Chapter 20 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 20.1 - Why did the existence of vestigial structures make...Ch. 20.1 - What were Lamarcks contributions to an...Ch. 20.1 - How do the concepts of gradualism and...Ch. 20.2 - What observations that Darwin made on his...Ch. 20.2 - How did Darwins understanding of artificial...Ch. 20.2 - What were the four great intellectual triumphs of...Ch. 20.3 - What two problems slowed the acceptance of Darwins...Ch. 20.3 - What is the difference between microevolution and...Ch. 20.3 - What types of data provide evidence that evolution...Ch. 20 - The father of taxonomy is: Charles Darwin. Charles...
Ch. 20 - The wings of birds, the legs of pigs, and the...Ch. 20 - Which of the following ideas proposed by Lamarck...Ch. 20 - Prob. 4TYKCh. 20 - Which of the following statements about...Ch. 20 - Which of the following ideas is not included in...Ch. 20 - Which of the following could be an example of...Ch. 20 - Medical advances now allow many people who suffer...Ch. 20 - Prob. 9TYKCh. 20 - Which of the following statements is not...Ch. 20 - Which of the following does not contribute to the...Ch. 20 - Prob. 12TYKCh. 20 - Design an experiment to test Lamarcks hypothesis...Ch. 20 - Prob. 14TYKCh. 20 - For centuries, animal breeders have used...
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- Which of the following statements is inaccurate? Multiple choice (one answer is correct) a.The genetic variation that occurs in a population from mutation is non-random b.Natural selection is the only mechanism that consistently causes adaptive evolution c.Evidence demonstrates that whales evolved from land-dwelling organisms d.Natural selection acts on populationsarrow_forwardWhich of the following is true about adaptation? a) It occurs through the inheritance of acquired characteristics b) It always results in the evolution of new traits c) It is a result of chance mutations d) It is the result of natural selection acting on heritable variationarrow_forwardWhat is neutral evolution? A. When certain genes are present or absent in populations regardless of selection (they are not advantageous or disadvantageous). B. When certain genes are present or absent in populations due to sexual selection (they are selected for by the opposite sex). C. When certain genes are present or absent in populations due to natural selection (they are advantageous or disadvantageous). D. Neutral evolution does not exist.arrow_forward
- Which of the following is true about natural selection? a) It always results in the evolution of new traits b) It always results in the strongest individuals surviving c) It always results in the fittest individuals reproducing d) It always results in the best-adapted individuals survivingarrow_forwardWhat are some of the ways that Darwin's theory of natural selection played out in human evolution? Can you see evidence of particular adaptations as our ancestors evolved, speciated, and in some cases went extinct?arrow_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
- In which of the following pairs do both evolutionary processes introduce new genetic variation into a population? a. natural selection and genetic drift b. mutation and gene flow c. natural selection and gene flow d. gene flow and genetic driftarrow_forwardWhich of the following is not a trait on which natural selection can act? a size of ears b fur/hair color c broken bones d thickness of furarrow_forwardIn marine iguanas males are much larger than females and fight with one another for access to areas that are preferred by females. What type of evolutionary force is causing the increase in male size? Group of answer choices A. disruptive (natural) selection B. intrasexual selection C. disruptive (natural) selection D. stabilizing (natural) selection E. intersexual selectionarrow_forward
- What is neutral evolution? A. Neutral evolution does not exist. B. When certain genes are present or absent in populations due to natural selection (they are advantageous or disadvantageous). C. When certain genes are present or absent in populations regardless of selection (they are not advantageous or disadvantageous). D. When certain genes are present or absent in populations due to sexual selection (they are selected for by the opposite sex).arrow_forwardWhich of the following is NOT an essential component of Darwin's theory of natural selection? a) natural selection results in a population that is adapted to its environment b) use or disuse of a structure causes changes that are passed onto the next generation c) more offspring are produced than the environment can support d)heritable variation exists in populationsarrow_forwardWhich of the following statements is not true about the concept of natural selection? Group of answer choices A-Geographical isolation contributes to the formation of new species as individuals begin to adapt to different environments B-Natural selection explains the increase in the yield of kernels per corn plant over the last several thousand years C-Infers that later generations may be distinct from ancestral ones, or a new species can appear D-Selective pressures cause distinct species to develop E-Suggests that over long periods of geological time, successful variations accumulate in a populationarrow_forward
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