Question

Explain movement in birds.

Answer 1

Answer:

to & fro movement occur in birds. they move their wing up & down and again & again which is called to & fro movement. bird also move their other body parts muscle to fly & for some other activities.

Explanation:

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Answer 2

Answer:

birds wing flap with an up amd down motion. this propels them forward. a bird's wing produces lift and thrust during the down stroke. the air is deflected and also to the rear.

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