i) Imagine yourself to be an earthworm. Describe how your body structure helps you to move inside the soil.
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They have two sets of muscles, circular muscles in each segment and longitudinal muscles running along the whole length of the body. Continuous expansion and contraction of muscles help them to move. Additional structures called setae help the worms to grip soil particles.
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They have two sets of muscles, circular muscles in each segment and longitudinal muscles running along the whole length of the body. Continuous expansion and contraction of muscles help them to move. Additional structures called setae help the worms to grip soil particles.
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