Integumentary system I believe
Answer: Sea stars move using a water vascular system. Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals.
Explanation: The radial canals carry water to the ampullae and provide suction to the tube feet.
I say false cause a hypothesis is a guess and not all the time it's dealing an experiment. If It is dealing with an experiment then true
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