Snails can live in many different shells. The shells can be large or small, depending on the size of the snail and what kind it is. The shell can also be of a variety of colors. Other animals can also live in shells.
Land snails have a shell for protection. They have four tentacles, a foot, and a head and a tail region. The top set of tentacles are the snail's eyes. The bottom set of tentacles are what the snail uses to smell.
Water snails have a shell for protection. They have two tentacles, a foot, and a head and a tail region. Water snails have eyes at the base of their sensory stalks. The stalks are used to smell and feel around the snail's environment.
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