Which statement describes natural selection?

It is the primary mechanism for evolution.

It must act on structural traits.

It acts to cause overpopulation.

It causes learned skills to become heritable traits

The statement which best describes natural selection is:

"It is the primary mechanism for evolution."

Natural selection is the process in which organisms adapt to their environment and tend to survive and produce more offspring.

Answer;

It is the primary mechanism for evolution

Explanation;

Natural selection is a process by which organisms that are better adapted to their environment tend to survive.

Charles Darwin proposed that natural selection is the primary mechanism of evolution, such that organisms that are better adapted to their environment tend to survive and reproduce more than those less adapted to their environment.