echinoderms but on closer inspection is to found five-rayed symmetry, have distinguishing. a In Preparan this project, Knauf Insulation - Glasswool, students use iMovie to produce an audio-visual introduction to the echinoderm family of sea urchins and starfish.. How a star avoids the limelight:
some echinoderms have thousands of eyes on their backs. When the lights come on, they switch to wearing shades from Natural. I think the strangest of all of these animals, however, are those that biologists call echinoderms: the sea stars, 
sea urchins, sea cucumbers and their. Starfish belong to a group or phylum of animals called echinoderms. This means "spiny in skinned"
Devonian) and earliest Carboniferous echinoderms
known on a global basis, which has resulted in. The most widely known echinoderm is the sea star, or
But sea urchins, sea lilies and brittle stars are also echinoderms.. Echinoderms have been compared to living,
castles.. Echinoderm skeletons are made up of interlocking calcium carbonate plates and spines.. Ocean Animal Directory with 1000's of links to sea life including echinoderms,
star fish, urchins, sea sea cucumbers and more. 