Chapter 19 Outline

Darwin and Evolution

This chapter is divided into two parts. The first part is a consideration of Darwin's contribution and his formulation of a mechanism of evolution by natural selection. The second part discusses evidences for evolution.

Chapter Outline

In this chapter outline, the learning objectives and the selected key terms are given for each major head in the chapter.

The World Was Ready (p. 295)

1. Show that scientific world views were beginning to change during the eighteenth

century.

2. Contrast the prevalent pre-Darwinian views with post-Darwinian

views.

3. Describe the catastrophe hypothesis of Cuvier.

4. Describe Lamarck's theory of evolution, and tell which aspects of his theory were

incorrect.

Selected Key Terms: evolution, paleontology, catastrophism, inheritance of acquired

characteristics

Darwin Develops a Theory (p. 297)

5. Describe Charles Darwin's background and the path of the voyage of the

HMS Beagle.

6. Explain how the study of geology and fossils influenced Darwin's

thinking.

7. Explain how the study of biogeography influenced Darwin's thinking.

8. Describe natural selection as a process that results in adaptation to the

environment.

biogeography, natural selection, fitness, adaptation

Evidences Accumulate (p. 304)

9. Explain how the fossil record, biogeography, comparative anatomy, comparative

embryology, and comparative biochemistry support a hypothesis of common

descent.

homologous structure, vestigial structure

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