Keystone Species

question 80

Multiple Choice

Keystone species

• A)have little effect on trophic interactions in the community.
• B)are usually one of the larger species in the community.
• C)exert a strong influence on the community because of population size and their ecological niche.
• D)exert a strong influence on the community, not necessarily because of population size, but because of their critical ecological role in the community.
• E)can be removed from some communities without drastic effects on the community.

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Definitions:

Fair Market Value

The amount for which a property would be sold in an open market transaction, involving a ready seller and a ready buyer, both possessing adequate awareness of the pertinent details.

Recovery

The action of regaining possession or obtaining compensation for a loss.

Recognizance

A legal obligation, acknowledged before a court, where an individual promises to adhere to certain conditions without the need for posting bail.

Acknowledges

The act of recognizing or admitting the existence or truth of something, often formally in writing.