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 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.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.