Write a Short Note on Snail

Short Note on Snail

Habitat:

Most species are marine but some live in damp places.

Size:

They range in size from microscopic to 60 cm.

Structure:

Its body is enclosed in a calcareous wiled shell. This shell has many compartments. Last one is the largest and snail lives in it.

Eyes and tongue:

It has two tentacles which has two eyes. Radulla a tongue like structure is used for feeding.

Locomotion:

A big muscular foot is used for locomotion.

Formation of Pearl:

When sand particles enter into the body. Shell secrets many layer of shell forming matter around this foreign body-forming pear. This process completed in years.

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