(a) Sand dollars, sea cucumbers and sea lilies are representatives of – InterviewSolution

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1.	(a) Sand dollars, sea cucumbers and sea lilies are representatives of which phylum? What kindof symmetry the adult representatives of this phylum have ? Also mention what is specific about their body cavity ? (b) Name the organs of locomotion in these organisms.
Answer» (a) Echinodermata , pentamerous radial symmetry , these have ambulacral or water vascular system. (b) Tube feet.

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