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kajumbi kajumbi
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Posts: 1390
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7 years ago
What acts as both a circulatory system for gas exchange and a hydraulic system for movement in the echinoderms?
A) Endoskeleton
B) Water vascular system
C) Hydrostatic skeleton
D) Visceral mass
Textbook 
Biology: The Core

Biology: The Core


Edition: 2nd
Author:
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cortman22cortman22
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Posts: 246
7 years ago
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kajumbi Author
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7 years ago
the best Slight Smile
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