Question

what is charastics of mollusca

Answer 1

The characteristics of mollusca are

1) Soft body which is not segmented.

2) Body enclosed in a hard shell.

3) Move with the help of a muscular foot.


Example = Snail, Octopus etc.

Answer 2

Mostly aquatic (marine and few are fresh-water) and some are terrestrial living in damp soil.
Bilaterally symmetrical except gastropodas (asymmetrical) because the shell is coiled. 
Body is divisible into head(absence in pelecypoda and scaphopoda), dorsal visceral mass, ventral muscular foot and mantle.

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