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Unformatted text preview: 2. Tube feet are used for locomotion. They are also used for feeding and gas exchange. This system is named the water vascular system. 3. Pedicellariae are small wrench or claw shaped forceps located on echinoderms. Pedicellariae are poorly misunderstood by scientists, but it is thought that they may be responsible for keeping the organism free of algae....
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This note was uploaded on 01/18/2012 for the course BIOL 191L taught by Professor Dr.dottydouglass during the Fall '10 term at Boise State.
- Fall '10