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The adults are radially symmetrical but larvae exhibit bilateral symmetry in 

Option: 1

Mollusca 


Option: 2

Hemichordata 


Option: 3

Echinodermata 


Option: 4

Cephalochordata 


Answers (1)

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As we have learned

Phylum Echinodermata -

Spimy or prickly skinned. (calcareous ossicles). Marine with some pelagic and few sessile. Bilateral symmetry in larvae and pentamerous radial in adults. Triploblastic and coelomate (enterocoelous).

- wherein

Eg. Asterias, Echinus, Antedon, Cucumaria, Ophiura.

 

 

 

Posted by

Divya Prakash Singh

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