Question

Darwin knew that __________ would change domestic species a

survival of the fittest

b

artificial selection

c

fitness

d

variation

Answer 1

Answer: B. artificial selection

Explanation: Darwin knew artificial selection could change domestic species over time. He inferred that natural selection could also change wild species over time. In fact, he thought that if a species changed enough, it might evolve into a new species.

Answer 2

I believe your answer would be d