This phylum is so diverse that there is no physical characteristicshared by all members, though most of them possess a radial symmetry andan exoskeleton made up of several plates or ossicles.
This phylum is so diverse that there is no physical characteristicshared by all members, though most of them possess a radial symmetry andan exoskeleton made up of several plates or ossicles. Members using awater vascular system for locomotion and food-gathering include seacucumbers, sea lillies, and starfish. FTP, name this phylum literallymeaning "spiny-skinned."
This phylum is so diverse that there is no physical characteristicshared by all members, though most of them possess a radial symmetry andan exoskeleton made up of several plates or ossicles.
{Echinoderms} or {Echinodermata}