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ജലസംസ്കൃത വ്യവസ്ഥ (ആംബുലാക്രൽ വ്യവസ്ഥ) സാധാരണയായി കാണപ്പെടുന്നത്

AHydra

BStar fish

CEarthworm

DSponge

Answer:

B. Star fish

Read Explanation:

Presence of Ambulacral system (Water vascular system) is uniqe feature of echinodermata


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