Question

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.

Explanation:

Natural selection is the process by which organisms better adapted to their environment tend to survive and reproduce more successfully. It is the primary mechanism driving evolution. Traits can be structural, physiological, or behavioral. It does not cause over - population; rather, it acts on existing variation in a population. Learned skills are not heritable; only genetic traits are subject to natural selection.

Answer:

It is the primary mechanism for evolution.