In a Hypothetical Environment, Fishes Called Pike-Cichlids Are Visual Predators

question 17

Multiple Choice

In a hypothetical environment, fishes called pike-cichlids are visual predators of large, adult algae-eating fish (in other words, they locate their prey by sight) . The population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following is least likely to result in the algae-eater population in future generations?

• A) selection for drab coloration of the algae-eaters
• B) selection for nocturnal algae-eaters (active only at night)
• C) selection for larger female algae-eaters, bearing broods composed of more, and larger, young
• D) selection for algae-eaters that become sexually mature at smaller overall body sizes

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Definitions:

Intrinsic Motivation

The drive to engage in activities for their own sake, for the satisfaction and pleasure derived from the activity itself, rather than for some external reward.

Extrinsic Motivation

Motivation that is driven by external rewards such as money, fame, grades, or praise, in contrast to intrinsic motivation, which is driven by personal satisfaction or interest.

Extrinsic Motivation

Encouragement stemming from external factors including wealth, recognition, scores, and compliments.

Intrinsic Motivation

The drive to perform an activity for its inherent satisfaction or pleasure, rather than for some separable consequence.