Population Ecology

AP Biology· difficulty 3/5

r-selected species typically have

  • A

    Highly specialized niche use and strong intraspecific competition near the environmental limits

  • B

    Few large offspring with extensive parental care, thriving in stable predictable environments

  • C

    Long generation times and slow maturation, with populations held tightly near carrying capacity

  • D

    Many small offspring with little parental care, exploiting unstable environments

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Explanation

r-strategists (e.g., insects, weeds) maximize reproductive rate. K-strategists (elephants, humans) invest in fewer offspring with high survival.

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