Question

9) Describe the locomotion in earthworms.​

Answer 1

Answer:

The earthworm can push the setae out of its body to grab the soil around it. To move forward, the worm uses its setae to anchor the front of its body and contracts the longitudinal muscles to shorten its body. Then the worm anchors the back of its body with setae and contracts the circular muscles to lengthen its body.

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Answer 2

Answer:

An earthworm moves using circular and longitudinal muscles,as well as bristles called setae. The earthworm can push the setae out of its body to grab the soil around it. To move forward the worm uses its setae to anchor the front of its body and contracts the longitudinal muscles to shorten its body.

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