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1
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animals shake to increase heat production
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3
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humans do this to cool down their bodies
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4
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dogs and other mammals do this to cool down, where they open their mouths and allow heat to exit
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5
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A bird is adapted to fly because its bones are ____________
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6
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An animal defense where the organism blends into its environment
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7
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birds and mammals are considered ________ because they control their own body temperature internally
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9
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a state of reduced activity, used to conserve food stored in the body during periods with little food during winter
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10
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A duck follows the first moving thing it sees after hatching. This is an example of __________
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11
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Kangaroos and Koalas are examples of _______ mammals
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12
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the bodies automatic response to protect the eye from foreign objects
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13
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The part of the birds digestive system comprised of rocks used to grind up food
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