Which Statement Is Plausible Explanation for the Typically Slow Rates

question 40

Multiple Choice

Which statement is plausible explanation for the typically slow rates of evolution over the long term?

• A) Most populations have little genetic variation.
• B) Natural selection is typically a stabilizing phenomenon.
• C) Directional selection is commonplace.
• D) Genetic drift counters the effects of selection,particularly in large populations.
• E) Mutation rates are very high.

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Definitions:

Gelatinous Covering

A thick, jelly-like substance that coats or surrounds certain cells or organisms, often serving protective or structural functions.

Internal Fertilization

A reproductive process in animals where sperm fertilizes an egg inside the body.

Homo Erectus

An extinct species of early human that lived throughout most of the Pleistocene geological epoch, known for being one of the first hominids to have a stature and proportions similar to those of modern humans.

Homo Sapiens

The species name for modern humans, characterized by bipedalism and advanced cognitive abilities.