Figure 53.7 -What Does the Graph in the Figure Above Tell You

question 21

Multiple Choice

Figure 53.7
-What does the graph in the figure above tell you about the definition of a keystone species?

• A)A keystone species has little interaction with other species in an environment.
• B)A keystone species removed from a community could have drastic effects.
• C)A keystone species can be any species.
• D)A keystone species added to a community can make it more robust.

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Definitions:

Natural Rate

The unemployment rate or level of activity achieved in an economy when it is at full employment, without accelerating inflation.

Unemployment

The situation in which individuals who are capable of working are actively seeking work but are unable to find employment.

Cyclical

Pertaining to fluctuations in economic activity occurring due to the natural business cycle, including expansions, peaks, recessions, and troughs.

Structural

Relating to the underlying or fundamental aspects of something, especially with regard to economic sectors or market changes.