Question

Name any three body features that help a bird to fly?

Answer 1

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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Answer 2

Their forelimbs are modified into wings.

They have hollow bones and streamlined body shape.

Their flapping wings help them to fly and provide lift to the bird.