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Evolutionary Forces (Patterns of natural selection # (Directional…
Evolutionary Forces
Patterns of natural selection #
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Evolution by natural selection; the process of adaptation #
- Variation for a trait value must exist in a population
- Trait must enhance organism's ability to survive and reproduce
- Trait must be heritable, meaning it must have some genetic basis
- If these are true, trait will accumulate in population so higher proportion has "fitter" trait
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Definition of evolution #
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