Adaptations can be either physical or behavioral. A physical adaptation is some type of structural modification made to a part of the body. A behavioral adaptation is something an animal does - how it acts - usually in response to some type of external stimulus. When you look at an animal, you usually can see some of its adaptations -- like what it is able to eat, how it moves, or how it may protect itself. Different animals have many different ways of trying to stay alive. Their adaptations are matched to their way of surviving. Each group of animals has its own general adaptations
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