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.

My Answer:
B

Am I correct?

3 answers

thats the right one!:)
Haha, thanks:D
I would say that the answer is b, although I'm not quite sure..