Question

Write any three features of birds that help them to fly.

Answer 1

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.

Answer 2

hey mate is ur answer...

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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