Phylum Echinodermata Part 1: Form and Function

Transcript

We just covered phylum Hemichordata, so let’s  move on to Echinodermata. The echinoderms, along with the hemichordates, make up the  clade Ambulacraria. All members of this clade share a three-part coelom, and similar larval  forms. The name of the phylum, Echinodermata, comes from the Greek ἐχῖνος (ekhînos) meaning  hedgehog, and δέρμα (dérma) mea... Read More