echinoderms
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Created by:
dontwannafail on March 24, 2010
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7 terms
Terms | Definitions |
|---|---|
 examples of echinoderms | starfish sea urchins sea cucumbers brittle stars sea lilies |
| symmetry | radial |
| skin is... | spiny skin with endoskeleton (except sea cucumber) |
| feet | tube feet |
| water vascular system | network of water-filled canals and uses water pressure in the tube feet to control suction |
| skin gills | gases are exchanged through these small finger-like projections and help with waste removal |
| sea cucumber defense | squeezing out some of its internal organs |
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