Multiple Choice
Being that wolves are a keystone species in North America,after their reintroduction into the Yellowstone ecosystem,which of the following events occurred?
A) The number of predators in the ecosystem was increased.
B) The number of prey in the ecosystem was reduced.
C) The plant composition became more varied and lush.
D) All of the above occurred.
Correct Answer:
Verified
Correct Answer:
Verified
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