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The setae may be extended to anchor some segments to the burrow wall so the worm has something to push, or pull against, as it moves other segments through the soil.

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16y ago
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9y ago

Setae are feet like structures on each segment of a worm. They help the animal to gain traction on surfaces and aid in locomotion.

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Q: How do you think the setae on each segment function in locomotion?
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What is the function of the setae on a worm?

Setae in annelids are stiff bristles present on the body. They help for example earthworms to attach to the surface and prevent backsliding during peristaltic motion. These hairs are what make it difficult to pull a worm straight from the ground. (finzio liflio)


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