2. Name the features which help the birds to flv.

1.	2. Name the features which help the birds to flv.
Answer» birds have: lightweight, smoothfeathers– 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.

Answer»

birds have:

lightweight, smoothfeathers– 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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