Echinoderm Animation: Five-part symmetry


The five-part symmetry of echinoderms is demonstrated, as the five-armed starfish is morphed into an urchin that is then morphed into a sea cucumber.

Next Generation Science Standards for this Video

The echinoderm body plan is a system based on five-part symmetry. All the tissues and organs are specialized for this unique way of life.

Starfish, urchins and cucumbers have adapted the echinoderm body plan for very different life styles.

Community Developed Lesson Plans to Use with this Video