One member of this phylum possesses Cuvierian tubules that can be used by humans as bandages.
One member of this phylum possesses Cuvierian tubules that can be used by humans as bandages. One predator in this phylum was shown by Paine to be a keystone species, and another species was recently shown to begin asexual propagation when its larvae detect mucus from nearby predators. In addition to Pisaster ochraceus and Dendraster excentricus, some members of class Holothuroidea can shoot part of their digestive tract out of their anus. Other members of this phylum may have a five-sided jaw structure called Aristotle's lantern or a red pigmented photoreceptor, which is found in members of class Asteroidea. For 10 points, name this deuterostome phylum whose members, such as sea urchins and sea stars, have radial symmetry and a water vascular system.
One member of this phylum possesses Cuvierian tubules that can be used by humans as bandages.
{Echinodermata} [also accept {echinoderm}s]