Exam 1 Review - 1 Biology 1202 Section 3 Fall 2007 Review...

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Biology 1202 Section 3 Fall 2007 Review Questions for Exam 1 Chapter 22 and 23 Vocabulary : Theory, hypothesis, acquired characters, adaptive radiation, Galapagos finches, artificial selection, super bugs, industrial melanism, convergent vs. divergent evolution, analogous vs. homologous structures, gene pool, allele, Hardy Weinberg Law, genetic drift, gene flow, bottleneck, founder’s effect, polymorphism, clines, geographic variation, heterozygote advantage, neutral variation, directional, stabilizing or diversifying selection, sexual reproduction, sexual selection, sexual dimorphism, constraints to evolution, trade off 1. Who were the major scientists that developed the background information necessary for Darwin to develop his theory, and what did each scientist contribute? 0. Plato and Aristotle believed that species were immutable 1. Cuvier studied fossils and recognized that they were extinct, and older fossils were in deeper rocks, but still thought species immutable. 2. In the early 1800’s, Lyell realized geological formations were due to long term deposition 3. Lamarck developed the first theory for evolution, that structures evolved as they were used more. Giraffe’s neck is the classic example 2. How did Darwin’s early travels contribute to his ideas? Biogeographical differences in fauna and adaptive radiations suggested evolution by natural selection. 3. Be able to list the major assumptions (observations) and predictions of Darwin’s theory of natural selection. Populations could, but don’t increase b/c resources are limiting, so only the most fit offspring survive, causing long-term increases in frequency of adaptations in populations.
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