Members of this group of animals have the following characteristics: spines on surface; radial symmetry; marine habitats only; tube feet; and water vascular system.

Question

Quizplus · Accepted Answer

The characteristics listed—spines on the surface, radial symmetry, marine habitats only, tube feet, and a water vascular system—are distinctive features of Echinodermata, a phylum that includes starfish, sea urchins, and sea cucumbers.

Members of This Group of Animals Have the Following Characteristics