Evol. Definitions - Law: well-founded observation of...

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Definitions for Lec. 1 Evolution: “descent with modification” - A genetically-based change in the characteristics of a population over time Natural Selection: differential survival and reproduction of genotypes Adaptation: inherited characteristics that increase survival or reproduction Theory: a well-substantiated explanation for a large body of natural phenomena Hypothesis: a testable statement proposed to explain a particular phenomenon
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Unformatted text preview: Law: well-founded observation of natural phenomena. (Note: Theories explain laws. Theories do not become Laws) Fitness; the number of offspring that survive to reproductive age. Homology: traits that are similar because of a shared ancestor (common descent) Analogy: traits that are similar because organisms have a similar lifestyle, not because of common ancestry (e.g., convergent evolution)...
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