This document discusses how various animal body parts help animals survive in their environments. It describes how fish use slime to glide through water, seed-eating birds have cone-shaped beaks to eat seeds, crocodiles have eyes and nostrils that stick up so they can see prey while hiding in water, goats have hoofed feet to climb rocks, and gorillas use their feet to climb trees and pick up food. The document emphasizes that an animal's movement, teeth, eyes, feet, claws, and body coverings all help it survive in its specific environment.