Question

3. How birds are adapted to fly
adapted to fly ? Give three features.
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Answer 1

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.

Hope it helped you....

Answer 2

Answer:

1) their arms are transformed into wings.

2) they have lightweight beaks.

3) these are light streamlined and cleverly adjustable for fight control.