A) Echinodermata
B) Arthropoda and Mollusca
C) Coelenterata
D) Porifera, Coelenterata and Echinodermata
Correct Answer: D
Solution :
Radial symmetry is exhibited by animals of Porifera Coelentrata and Echinodermato phylum. In this symmetry the body is cylindrical or discoid with similiar parts radiating on all sides so that it is divisible into two halves by vertical plane passing through central axis.
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