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15 Cards in this Set
- Front
- Back
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A mammal with opposable thumbs and forward- facing vision
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Primate
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The stiff feathers that help determine the shape of a bird
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Contour Feathers
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A mammal that has special teeth for eating meat
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Carnivore
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The soft, insulating feathers that lie close to a birds body
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Down Feathers
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The time in which an embryo develops inside the mother
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Gestation Period
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The act of grooming and maintaining a birds feathers
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Preening
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The act of shedding old feathers and growing new
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Molting
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The upward pressure on a wing that keeps the bird in the air
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Lift
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A mammal that develops inside a mothers pouch
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Marsupial
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The act of sitting on the nest and keeping the eggs warm until they hatch
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Brooding
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A chick that can walk and feed itself shortly after hatching
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Precocial Chick
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A mammal that lays eggs
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Monotreme
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A large muscle at the bottom of the rib cage that brings air into the lungs
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Diaphragm
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The glads that produce milk for a mammal's young
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Mammary Glands
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a mammal that nourishes its unborn offspring through a placenta in the uterus
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Placental Mammals
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