A body part or behavior that helps an organism meet its needs in its environment.
An animal's color or pattern that helps it blend in with its surroundings.
Everything that surrounds and affects an animal.
An adaptation in which an animal very much looks like another animal.
A place where an animal lives.
The average temperature and rainfall of an area over many years.
One of the many gases in air.
A behavior that an animal begins life with.
The process of change
The movement of a group of one type of animal from one region to another and back again.
A period of time when an animal goes into a long sleep.
A behavior or something that is learned.