Question

explain the method of movement of following
(i) snail
(ii) fish
(iii) earthworm ​

Answer 1

Answer:

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EARTH WORM

the body of earth worm is made up many rings end to end. an earthworm does not have bones. it has muscles which help to extend and shorten the body durning movement, the earthworm first extends the front part of the body,keeping the rear portion fixed to the ground. then it fixes the front end and release the rear end. it then shortens the body and pulls the rear end forward. this makes it moves forward by a small distance.retating such muscles expansions and contractions, tje earthworm can move through soil. its body secretes Aslimassimilate substance to help movement