CBSE Class 6 Answered
How do earthworm move? what is unique about it's mivemmov.
Asked by omkarshinde.pravara | 06 Oct, 2019, 20:31: PM
Expert Answer
Movement in earthworms:
- Many rings joined end to end make an earthworm’s body.
- Earthworms lack bones but have muscles which help to extend and shorten the body.
- The earthworm first extends the front part of the body keeping the rear part fixed to the ground. It then fixes the front part and releases the rear end. It shortens the body and pulls the rear end forward which makes it move forward by a small distance.
- Thus, repeated expansions and contractions along with a slimy substance secreted by the body help the earthworm to move forward.
- Under its body, tiny bristles project out; these bristles are connected to the muscles and help to get a good grip on the ground.
Answered by Sheetal Kolte | 07 Oct, 2019, 11:05: AM
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