The Introduction of a Large Predatory Fish into a Lake

question 124

Multiple Choice

The introduction of a large predatory fish into a lake will lead to declines in the populations of smaller fish; this decrease in the smaller fish will lead to an increase in the plankton on which they feed. This phenomenon is called

• A) character displacement.
• B) keystone exchange.
• C) trophic cascade.
• D) primary succession.
• E) heterotrophic succession.

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Definitions:

Emotional Stability

A personality trait characterized by one's ability to remain calm and composed, especially in stressful situations.

Conscientiousness

A personality trait characterized by diligence, carefulness, thoroughness, self-discipline, and the desire to perform tasks well.

Openness

A personality trait characterized by a willingness to try new experiences, think creatively, and be open to different ideas.

Strong Situation

A situation that overwhelms the effects of individual personalities by providing strong cues for appropriate behavior.