Short Answer Type Question:How does the earthworm move? - Science

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Short Answer Type Question:
How does the earthworm move?

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Solution

Earthworm does not have bones. It has muscles. During the movement, earthworm first extends the front part of the body keeping the rear portion fixed to the ground. Then it fixes the front and releases the rear end. It then shortens the body and pulls the rear end forward. In this way by repeating such muscular expansions and contractions earthworm moves.

(i) Front end elongates, rear end fixes to the ground, 

(ii) Front end fixes to the ground and rear end pulled forward.

(iii) The Cylce repairs

Concept: Movement in Different Animals
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