Invert 2

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Enchinodermata Classes
- Asteroidea - starfish
- Echinoidea - sea urchin, sand dollar
- Holothuroidea - sea cucumber
- Ophiuroidea - brittle star
- Crinoidea - sea lily, feather stars
Madreporite (aka sieve plate)

where water enters WVS
Endoskeleton

composed of calcareous plates covered epithilium
Spines

white and calcareous
Pedicellariae
- small muscular outgrowths that terminate in calcareous pincers
- remove debris and parasites from surface

Author

95884

Card Set

Invert 2

Description

Invert 2

Updated

2011-08-04T03:27:38Z

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