Question

Which phrase best summarizes the theory of evolution by natural selection?

a. Over time, species evolve by adapting to their environment.
b. Traits acquired over a lifetime are passed onto offspring.
c. Life evolves from other life.
d. Only the strongest individuals survive.

Answer 1

Over time, species evolve by adapting to their environment.

Answer 2

The phrase that best summarizes the theory of evolution by natural selection is D) only the strongest individuals survive.
It is the survival of the fittest, those who are not strong enough will not make it, they will be consumed by the stronger ones.