Biology, asked by rchebem, 1 year ago

which animal moves by lengthening and shortening its body segments alternately

Answers

Answered by jenny29
3
earthworms show movement by contraction and expansion
Answered by Bhavya2543T
6

Answer:

earthworm

Explanation:

there are two sets of muscles that act perpendicular to each other .when one set of muscles contracts,the other set relaxes

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