Interesting Facts About Echinodermata

Interesting Facts About Starfish & Sea Urchins

 * 1) Sea cucumbers protect themselves by flinging their internal organs to the predators. Afterwards, they have the ability to replace the lost organ.
 * 2) Echinoderms have no brain, heart, or eyes.
 * 3) Echinoderms are predators, scavengers, or filter feeders.Sticky defense threads.JPG