It is “B” he is Forming a hypothesis
In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. If there is no variation, then all individuals have the same chance to survive and nothing will be particularly selected.
First a princinpal rewiew aĺl on my notebook or find something in internet about it
Where is the paragraph...?
Universe, galaxy, solar system, star, planets, moons, asteroids