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WHAT
MAKES A BIRD A RAPTOR Check Your Answers! 1. Birds belong to
a large group of animals called vertebrates. 2. Birds evolved from
a group of vertebrates called reptiles. 3. All birds grow feathers. 4. List two functions of feathers: fly, stay warm, protect the skin, camouflage, and attract a mate. 5. All birds have
wings even birds that cannot fly, such as ostriches and penguins.
6. List
four things that help raptors fly: feathers, wings, air sacs, light
bones, and a stream lined shape.
7. Raptors have different kinds of beaks depending on the kinds of food it eats.
9. All raptors are warm blooded, being able to control and maintain a constant body temperature even if the temperature around them changes.
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