Natural selection acts most directly on:

A) populations.
B) communities.
C) ecosystems.
D) the biosphere.
E) K- selected organisms.

Natural Selection

The process by which organisms that are better adapted to their environment tend to survive and produce more offspring.

Directly

in a straightforward or immediate manner.

Populations

Groups of individuals belonging to the same species that live in the same geographical area and have the capability of interbreeding.