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Phylum Hemichordata

Torsion of vi...

Question

Torsion of visceral mass is seen in animals belonging to class

A

Cephalopoda

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B

Scaphopoda

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C

Amphineura

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D

Gastropoda

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Solution

The correct option is C Gastropoda
Animals of class-Gastropoda of phylum-Mollusca undergo twisting or torsion of the visceral mass during development, leading to conversion of symmetrical embryo into an asymmetrical adult.

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