The Setae, located on the underside of the worm.
Setae
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The structures that help earthworms and most other worms in the annelida phylum are called setae. These are bristle-like structures that act almost like feet and grip the surface the earthworm is moving on.
Setae are bristles or hair-like structures that help attach the earthworm to the ground and create friction so if an earthworm is going down a hill, it would slide down but actually continue to move through hydrostatic pressure.
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its cylinder like shape and its sliminess helps it be able to slide through the soil with ease.
The intestines help carry the earthworm's waste to the anus, where it is expelled from the worm.
Septums help separate an earthworm's internal cavities into sections of different organs.
Yes!
Yes,
Earthworms help by fertilizing the soil with their waste.
Called setae, the tiny bristles on each segment of a worm help it move through soil as well as grip another worm when mating.
The setae, or hair-like projections from each segment, help the earthworm anchor into the soil when burrowing and moving through the dirt. Without the help of the setae, a worm would have a harder time gaining enough traction to pull itself forward.