Unformatted text preview: Members of the phylum include sea stars, brittle stars, sea urchins, and sea cucumbers. The animals have the ability to reproduce by regeneration, a process in which a relatively small piece of the animal can regenerate an entire body. All echinoderms have an internal support system called an endoskeleton and a large body cavity containing a set of canals called a water vascular system ....
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- Fall '07
- RNA, Phylum Chordata, large body cavity, Echinodermata The phylum, relatively small piece