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:

Sophomores

Second-year students in a four-year degree program at a high school or university.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold for significance.

Hypotheses

Proposed explanations or predictions that can be tested through research and experimentation.

T-statistic

A type of statistic used to estimate the population parameter based on a sample statistic.