What are the features of class Aves which help them in flying?
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Flying birds have: lightweight, smooth feathers – this reduces the forces of weight and drag. a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight. an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust.
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2
Answer:
Flying birds have:
lightweight, smooth feathers – this reduces the forces of weight and drag.
a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight.
an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust.
Explanation:
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