Question

Write 3 features which help them to fly in the air

Answer 1

Answer:

question is incomplete if its birds your is

Explanation:

Flying birds have:

1) Lightweight, smooth feathers – this reduces the forces of weight and drag.

2) A beak, instead of heavy, bony jaws and teeth – this reduces the force of weight.

3) An enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust.