Question

write the characteristics of bird's that help them to fly ️️​

Answer 1

Physical features

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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Answer 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

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