Which Type of Natural Selection Increases the Frequency of an Extreme

question 38

Multiple Choice

Which type of natural selection increases the frequency of an extreme phenotype?

• A) directional
• B) diversifying
• C) stabilizing
• D) disruptive
• E) nonrandom

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Definitions:

Genetic Variations

Differences in DNA sequences among individuals, which contribute to the uniqueness of each person's physical and behavioral characteristics.

Adaptive Genetic

Genetic changes that enhance the survival and reproduction of organisms in their environment.

Startle Response

A rapid, involuntary reaction to a sudden or threatening stimulus, often involving physical movement away from the stimulus.

Instinct

An innate, typically fixed pattern of behavior in animals in response to certain stimuli.