Which are characteristics of natural selection? Select three options.
It affects populations.
It affects only individuals.
It occurs when there is genetic variation.
It occurs when organisms are genetically identical.
It selects organisms with certain traits to survive.
It selects organisms at random to survive.

A, C, and E.

These are the three options best suited for answering this question.

Natural selection - The process whereby organisms better adapted to their environment tend to survive and produce more offspring.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.