The reintroduction of wolves into the Yellowstone ecosystem has been considered a success because
A)the wolves are thriving.
B)local ranchers fear that wolves will attach cattle.
C)ecotourism has decreased.
D)biodiversity of the ecosystem has been re-established and sustained.
E)global warming has ceased.

Question

Quizplus · Accepted Answer

The reintroduction of wolves has been successful in re-establishing and sustaining the biodiversity of the Yellowstone ecosystem. The wolves have controlled the populations of other species such as elk, which has allowed vegetation to regenerate and support a range of other animal and plant species. This has had significant ecological and environmental benefits.

The Reintroduction of Wolves into the Yellowstone Ecosystem Has Been