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Birds - Coggle Diagram
Birds
characteristics
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eyelid). Smell, touch, taste, tympanic
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nutrition:
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Breathing through lungs, with air sacs
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Complex heart, with 4 cavities (2 atria,
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classification (groups)
Flying birds: with well-developed wings,
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keel. Ex: owls, ducks, hawks, vultures,
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atrophied wings, sternum without keel.
Well- developed legs to run. Ex: ostrich,
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