The Snail is a gastropod , a soft-bodied type of mollusk that is basically a head with a flattened foot. The soft body is protected by a hard shell, which the snail retreats into when alarmed. Snails move by crawling, swimming, or floating with currents. Snails have two pairs of tentacles on the head. The smaller pair of tentacles is used for the sense of smell and the sense of touch.
Most snails eat living and decaying plants, but some are scavengers and some are predators.
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