Which of the following explains how natural selection leads to evolution?

a. Conditions in the environment reduce competition for resources within a species.
b. Helpful variations accumulate among surviving members of the species.
c. Overproduction provides food for stronger members of the species.
d. Environmental changes favor weaker members of the species.

B

4 answers

Right.
Environmental changes favor weaker members of the species.
B is correct trust me!!!
It is B