Reading%20Guide%20Chapter%2022

Reading%20Guide%20Chapter%2022 - natural selection as a...

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Biol 2107 Reading Guide Chapter 22 1. Explain the mechanism for evolutionary change proposed by Charles Darwin in On the Origin of Species . 2. Define evolution and adaptation . 3. Describe the theories of catastrophism, gradualism, and uniformitarianism. 4. Explain the mechanism for evolutionary change proposed by Jean Baptiste Lamarck. Explain why modern biology has rejected Lamarck’s theories. 5. Describe how Darwin’s observations on the voyage of the HMS Beagle led him to formulate and support his theory of evolution. 6. Explain how the principle of gradualism and Charles Lyell’s theory of uniformitarianism influenced Darwin’s ideas about evolution. 7. Explain what Darwin meant by “descent with modification”. 8. Explain what evidence convinced Darwin that species change over time. 9. Describe the four observations and two inferences that lead Darwin to propose
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Unformatted text preview: natural selection as a mechanism for evolutionary change. 10. Explain how an essay by the Rev. Thomas Malthus influenced Charles Darwin. 11. Distinguish between artificial selection and natural selection. 12. Explain why an individual organism cannot evolve. 13. Explain why natural selection can act only on heritable traits. 14. Explain how the fossil record may be used to test our current understanding of evolutionary patterns. 15. Explain how the existence of homologous and vestigial structures can be explained by Darwins theory of natural selection. 16. Explain how evidence from biogeography supports the theory of evolution by natural selection. 1. Explain the problem with the statement that Darwinism is just a theory. Distinguish between the scientific and colloquial use of the word theory....
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