So, I won't write the paragraph for you, but here are some things you should include when you write it:
1. Animal adaptations allow the animal to become better suited for whatever environment it exists within.
2. The better an animal adapts to the environment, the less likely it is to die due to the principle of "darwinism" (the strong survive, weak die out)
3. Adaptations can either be anatomical, behavioral or physiological
