the reintroduction of the wolf to yellowstone national park caused the bison and elk populations to decrease, which caused the willow tree stands to grow. with more willow trees, beaver populations grew, which resulted in more habitat for waterfowl and amphibians. this complex series of events demonstrates how important the wolves are to this ecosystem. the wolves represent what type of species for this ecosystem?



Answer :

As the reintroduction of wolves caused changes in the entire ecosystem, the wolves represent keystone species in this ecosystem.

In the field of science, keystone species can be described as a kind of species whose presence or absence has a significant impact on the entire ecosystem of a place. A keystone species impacts the whole ecosystem in some way or the other.

The population of other species is affected by the keystone species.

In the scenario mentioned in the question, we observe that the reintroduction of the wolf in Yellowstone national park caused significant changes in the population of other organisms in this ecosystem. Hence, wolves are the keystone species.

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