Population Ecology

AP Biology· difficulty 4/5

A species with high reproductive output, short generation time, and no parental care best fits which life-history strategy?

  • A

    K-selected — favored at stable carrying capacity

  • B

    Type II survivorship across all habitats

  • C

    Equilibrium-selected — favored at zero growth

  • D

    r-selected — favored in unstable, unpredictable environments

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Explanation

r-selected: high fecundity, low parental investment, opportunistic colonizers (insects, weeds). K-selected: low fecundity, high investment, near carrying capacity (elephants, oaks).

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