Which of the following organisms would possess these structures: ring of nerve cells around the mouth, series of fluid-filled canals, and tube feet?

+1 vote



adult hemichordate


adult echinoderm


juvenile urochordate


juvenile cephalochordates


asked Dec 29, 2012 in Biology by anonymous

1 Answer

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adult echinoderm


answered Dec 29, 2012 by anonymous

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