Community Ecology

AP Biology· difficulty 3/5

Time Population size Prey Predator

The Lotka-Volterra style cycle shown indicates that:

  • A

    Predator and prey populations peak simultaneously

  • B

    Predator peaks lag prey peaks in time

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  • C

    Prey peaks lag predator peaks

  • D

    Populations are independent of each other

Explanation

In classic predator-prey cycles, prey abundance rises first, allowing predators to subsequently increase. Predator peaks therefore lag behind prey peaks.

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