Question

What group of Echinoderms has penta-radial symmetry?

A.Sand dollar
B. Sea Cucumber
C.Sea Star
D. Sea Urchin
E. All of the above

Answer 1

Answer is E

Examples of Pentaradial Symmetry. In the animal

kingdom, there is only one known phylum that exhibits pentaradial symmetry, and that's the Phylum Echinodermata. Echinoderms include sea stars (or starfish), sea urchins, sea lilies, sand dollars, and sea cucumbers.