Name and contrast the major subclades of echinoderms represented by sea stars, brittle stars, sea urchins, sand dollars, and sea cucumbers.
Name and contrast the major subclades of echinoderms represented by sea stars, brittle stars, sea urchins,...
17. Name two characteristics of echinoderms. Name the phylum. Give two characteristics of a sea star. Name the class. Give two characteristics of a brittle star. Name the class. Give two characteristics of a sea urchin. Name the class. Give two characteristics of a sand dollar. Name the class. Give two characteristics of a sea cucumber. Name the class.