Population Ecology

AP Biology· difficulty 3/5

I II III age survivors

A Type I survivorship curve (most deaths late in life) is typical of

  • A

    Mammals with extensive parental care (humans, elephants)

    check_circle
  • B

    Insects with very high juvenile mortality (mosquitoes, fruit flies)

  • C

    Bacteria with continuous reproduction and decay (E. coli, archaea)

  • D

    Most fish and trees with constant per-capita mortality (cod, oaks)

Explanation

Type I = high early survival, deaths concentrated in old age. Type III = high early mortality (most invertebrates, fish). Type II = constant rate (some birds, small mammals).

Want 10 more like this — adaptive to your weak spots?

Related questions