What is natural selection and how does it drive evolution?
Biology
ScanSolve AI Answer
Natural selection (Darwin): organisms with traits better suited to their environment survive and reproduce more, passing those traits to offspring. Requirements: 1) Variation exists in a population. 2) Traits are heritable. 3) More offspring are produced than can survive. 4) Survival depends on traits. Over generations, favorable traits become more common → evolution. Types: directional (one extreme favored), stabilizing (average favored), disruptive (both extremes favored).
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