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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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∙ 11y ago
Wiki User
∙ 9y agoThe function of setae or chaetae is usually for some type of movement. For example, worms have them on their bodies so that they can wriggle across the ground, while they help krill obtain phytoplankton to eat by being on their legs.
Wiki User
∙ 16y agoA setae is a bristlelike structure under segmented worms.
Wiki User
∙ 13y agoSetae are used for the grip and movement of annelids.
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∙ 15y agogo to dictionary.com and enter setae
u will get da definition rly easily
Wiki User
∙ 12y agoit helps the worm move
Wiki User
∙ 13y agoi think its locomotion..
Wiki User
∙ 12y agolocomotion for worms
Wiki User
∙ 13y agolocomotion
Kenechukwu Adaeze
For movement
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What Segment of the worm contains no Setae?
What segment of the worm contains no no Setae ?
What are the Bristles on the ventral surface of a worm called?
They are setae. They help the worm move, like little legs.
Where do you find setae on a worm?
You find the setea on the outside of the worm. It is the tiny bristles on the outside of the worm.
What direction do setae point?
The setae point backwards. They cling to the surroundings of the worm as it contracts its muscles to pull it along. They are what makes pulling an earthworm straight out of the ground difficult. Think of them as little hooks.
An earthworm uses its setae to?
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.
What Segment of the worm contains no Setae?
What segment of the worm contains no no Setae ?
What are the Bristles on the ventral surface of a worm called?
They are setae. They help the worm move, like little legs.
How do you think the setae on each segment function in locomotion?
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.
What structures help an earthworm move through the soil and where are they located?
The Setae, located on the underside of the worm.
What are earthworm bristles called?
The setae are small spines which are projected from the body wall by muscles to act as anchors in the surface that the worm is moving along. The muscle can also retract the setae The circular muscles contract and expand in co-ordination with the longitudinal muscle in series such as that if the posterior muscle are expanded and the anterior circular muscles are contracted the worm pushes and stretches its front end forward. The anterior muscles then expand to anchor its front end by use of the setae and the rear end is pulled forward. All this happens in a smooth and rhythmic motion.
Where do you find setae on a worm?
You find the setea on the outside of the worm. It is the tiny bristles on the outside of the worm.
How many setae are on a worm?
The earthworms has 4 seate's on each segment.
What can earthworms cling to soil with?
Setae is what a worm uses to cling to soil.
What are the small bristles earth worms have?
The small bristles on earthworms are called setae. The setae are small spines which are projected from the body wall by muscles to act as anchors in the surface that the worm is moving along. The muscle can also retract the setae when it is not required.
What direction do setae point?
The setae point backwards. They cling to the surroundings of the worm as it contracts its muscles to pull it along. They are what makes pulling an earthworm straight out of the ground difficult. Think of them as little hooks.
How are setae used by worms?
For one example, the setae help the worm resist being pulled from a hole in the groung by a bird.
What does a setae on a earthworm do?
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.
