Being That Wolves Are a Keystone Species in North America,after

question 51

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.

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Definitions:

Marginal Utility

The added satisfaction or utility that a consumer receives from consuming one additional unit of a good or service.

Turkey

A country located at the crossroads of Europe and Asia known for its historical heritage, or a domesticated bird often raised for its meat.

Mashed Potatoes

A dish commonly made by boiling and then mashing potatoes, often seasoned or mixed with milk and butter.

Exercise

Physical activity that is planned, structured, and repetitive for the purpose of conditioning any part of the body.