How do adaptation affect a species?

Hello There!

An adaptation is a way that an animal has changed in its environment that allows the animal to survive.

Adaptations make the species more genetically diverse

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".