Answer the following question given this paragraph: 

Echinoderms are marine organisms that make up the phylum Echinodermata. They can be found in the ocean from the equator to the poles. There are roughly 6000 living species of echinoderms. They are among the most distinctive organisms within the animal kingdom. Members of the phylum include sea stars (starfish), sand dollars, and feather stars, shown in Figure below . See “Different But Equal” at http://www. pbs. org/kcet/shapeoflife/episodes/ultimate. html for an introduction to echinoderms.


Q: Echinoderms have what type of body symmetry?

 Choices:

- Translational symmetry

- Rotational symmetry

- Reflectional symmetry

- radial symmetry

A:
radial symmetry
