explain how animals such as earthworms can move without bones
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They have no skeletons or other rigid structures to interfere with their movement. The earthworm's body is divided into segments. Each segment has a number of setae or very small bristles that earthworms use to help them grip the soil as they move. An earthworm moves by using two different sets of muscles.
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They have no skeletons or other rigid structures to interfere with their movement. The earthworm's body is divided into segments. Each segment has a number of setae or very small bristles that earthworms use to help them grip the soil as they move. An earthworm moves by using two different sets of muscles.
Explanation:
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