Earthworm Mouth Function

It's function is simple; it's the nerves in the worm! Reactivity to shock decreased when ganglionectomy followed, but not when it preceded, learning. Outcrossing would provide the benefit of masking the expression of deleterious recessive mutations in progeny. Touching an earthworm, which causes a "pressure" response as well as often a response to the dehydrating quality of the salt on human skin toxic to earthwormsstimulates the subepidermal nerve plexus which connects to the intermuscular Earthworm Mouth Function and causes the longitudinal muscles to contact, thereby the writhing movements when we pick up an earthworm. Its sort of like the stomach on a human. To allow the air to enter the body.



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Earthworm Mouth Function
Earthworm Mouth Function

Worm Parts & Functions


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The prostomium is the first segment at the anterior end of the animal. During mating, two worms line up inverted from each other so sperm can be exchanged. Even within Lumbricus terrestris slight variants in external features are reported in the literature, and possibly there are local geographical variants.
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What is the function of the mouth?

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