Question

List the features that help a bird to fly class 6

Answer 1

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How birds fly 

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One of the requirements for heavier-than-air flying machines is a structure that combines strength with light weight. This is true for birds as well as planes. Birds have many physical features, besides wings, that work together to enable them to fly. They need lightweight, streamlined, rigid structures for flight. The four forces of flight – weight, lift, drag and thrust – affect the flight of birds.



Godwits – designed to fly

As with other flying birds, godwits have many physical features that work together to enable them to fly. They need lightweight, streamlined, rigid structures for flight.

Physical features

Flying birds have:

lightweight, smooth feathers – this reduces the forces of weight and draga beak, instead of heavy, bony jaws and teeth – this reduces the force of weightan enlarged breastbone called a sternum for flight muscleattachment – this helps with the force of thrustlight bones – a bird’s bones are basically hollow with air sacs and thin, tiny cross pieces to make bones stronger – this reduces the force of weighta rigid skeleton to provide firm attachments for powerful flight muscles – this helps with the force of thrusta streamlined body – this helps reduce the force of dragwings – these enable the force of lift.

Answer 2

Answer:

Hollow bones, light weight and the muscles in the wings

they help the bird to fly

Explanation:

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