What organism would possess these structures: a ring of nerve cells around the mouth, a series of fluid-filled canals, and tube feet?

What organism would possess these structures: a ring of nerve cells around the mouth, a series of fluid-filled canals, and tube feet?

What organism would possess these structures: a ring of nerve cells around the mouth, a series of fluid-filled canals, and tube feet?



Answer: Adult echinoderm


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