A) Echinodermata
B) Porifera
C) Arthropoda
D) Mollusca
Correct Answer: A
Solution :
In the members of phylum Echinodermata, symmetry is bilateral in larva and pentamerous radial in adults e.g.. Starfish. The members of phylum Porifera are asymmetrical or with radial symmetry. Most of Arthropods show bilateral symmetry. Molluscs also have bilateral symmetry.
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