Invert 2

Card Set Information

Author:
crimsonblaze
ID:
95884
Filename:
Invert 2
Updated:
2011-08-03 23:27:38
Tags:
enchinodermata Arthropoda
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Description:
Invert 2
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  1. Enchinodermata Classes
    • Asteroidea - starfish
    • Echinoidea - sea urchin, sand dollar
    • Holothuroidea - sea cucumber
    • Ophiuroidea - brittle star
    • Crinoidea - sea lily, feather stars
  2. Madreporite (aka sieve plate)
    where water enters WVS
  3. Endoskeleton
    composed of calcareous plates covered epithilium
  4. Spines
    white and calcareous
  5. Pedicellariae
    • small muscular outgrowths that terminate in calcareous pincers
    • remove debris and parasites from surface

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