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Unformatted text preview: Nicholas Huynh Anthropology 005 Introduction to Physical Anthropology Problem Set # 5: Distinctive and no-so-distinctive traits of humans 1. If its good, it will spread. Is the preceding phrase is an accurate or inaccurate description of evolution by natural selection? Explain why or why not. Yes, the preceding phrase is a fundamental, yet elementary, description of the natural selection process. Indeed, if a particular trait increases an individuals fitness and promotes reproduction, it is a good or beneficial trait and as a result, it will spread in a population, as it will be passed from parent to offspring for many generations. This process, which is undeniably the process of natural selection, can potentially cause a species to evolve. 2. Use both words and the trait space to define cooperation, selfishness, spite and altruism in evolutionary terms. Cooperation describes behaviors by individuals that are beneficial to themselves and to members of the same species. Selfishness describes behaviors by individuals that are beneficial to only them. An the same species....
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- Spring '07
- Physical Anthropology