1. What is the adaptive significance of gastropod torsion?
Coiling. Why is it important to the gastropods?
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Answer:
The torsion is a phenomenon of rotation of the visceral mass, mantle and the shell to 180, with respect to the body. This rotation results in bringing the mantle cavity and anus to the anterior side. This phenomenon takes place in the larval stage of the gastropods.
Explanation:
Gastropods play an important role in the break down of dead animal and vegetable matter. Snails can be of economic importance carrying parasites that affect both humans (bathers' itch) and animals (liver fluke). ... Gastropods are rare in organically polluted or acidic water bodies.
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