Question

how hydrostatic skelton is helpful in the movement of erathworm​

Answer 1

Answer:

For example, earthworms move by waves of muscular contractions of the skeletal muscle of the body wall hydrostatic skeleton, called peristalsis, which alternately shorten and lengthen the body. Lengthening the body extends the anterior end of the organism.

Answer 2

Answer:

• Earthworms move by waves of muscular contractions of the skeletal muscle of the body wall hydrostatic skeleton, called peristalsis, which alternately shorten and lengthen the body.
• Lengthening the body extends the anterior end of the organism.

Explanation:

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