Answer:
The segmented body plan of an annelid worm with both circular and lengthwise muscles is the ideal structure for active burrowing. A one-way gut runs through the body, and they have both a circulatory system and nervous system.
Explanation:
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Answer:
The basic body shape of a worm is literally just a tube (the inner makings of the worm) inside of a tube (the worms actual body)
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Explanation:
