Question

mention four general characters of mollusca give two examples also

Answer 1

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●Characters of mollusca are as follows -

☆They are the second largest animal phylum.

☆They are triploblastic,coelmate,and bilaterally symmetrical.

☆There body is covered with calcareous shell and unsegmented with distinct head muscular foot and visceral hump.

☆They have respiratory and excretory functions .

☆The mouth contains a file like rasping organ for feeding called as radula.

☆Examples -- Pila ,Octopus.

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Answer 2

phylum mollusca is the second largest animal phylum.

Molluscs are terrestrial or aquatic.

They have organ-system level of organisation.

Bilaterally symmetrical.

Triploblastic in nature.

Coelomate animals.

Body is covered by calcareous shell and is unsegmented with a distinct head, muscular foot and visceral hump.

Ex: pila globosa and

octopus