How did the reintroduction of wolves to Yellowstone National Park affect the beaver population? A. The wolves increased the population by eating a competitor.
B. The wolves increased the population by eating beavers’ predators.
C. The wolves decreased the population by eating beavers’ prey.
D. The wolves decreased the population by eating beavers

A. The wolves increased the population by eating a competitor.

Explanation:

The reintroduction of wolves to Yellowstone National Park increased the beaver population by eliminating the competitor. The competitor of beaver in  Yellowstone National Park is elk that feeds on the vegetation of the park. The wolves decreased the population of elk and so more food in the form of vegetation is available for beaver so their population increases significantly.

answer; the correct answer is conflict- related aggression; +