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Unformatted text preview: b. some variants contribute more offspring to next generation (by one of several processes) c. offspring resemble parents because part of variation is inherited d. consequently, the population starts to look more and more like the phenotype of the individuals that contribute more offspring C. Evidence for behavioral evolution D. How do behaviors evolve? 1. Change in motivation 2. Change in context 3. Change in frequency or duration 4. Change in form 5. Evolution of novel character 6. Loss of character BioNB 221: Lecture 15 Oct. 1, 2008 Page 2...
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- Fall '08