What Is True of Natural Selection

question 38

Multiple Choice

What is true of natural selection?

• A) Natural selection is a random process.
• B) Natural selection creates beneficial mutations.
• C) The only way to eliminate harmful mutations is through natural selection.
• D) Mutations occur at random; natural selection can preserve and distribute beneficial mutations.
• E) Mutations occur when directed by the good of the species; natural selection edits out harmful mutations and causes populations to adapt to the beneficial mutations.

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Definitions:

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A neurotransmitter and hormone involved in the body's fight or flight response, also implicated in mood regulation.

Serotonin

A neurotransmitter that plays a key role in regulating mood, sleep, appetite, and digestion.

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The total amount of muscle tissue in an individual's body.

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Exchanges between two or more individuals, influencing each other's behavior and thoughts through verbal or non-verbal communication.