Echinoderms are headless, brainless and heartless. Yet they are placed – McqOptions

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1.	Echinoderms are headless, brainless and heartless. Yet they are placed at the top of invertebrates because of presence of [MP PMT 2000]
A.	Enterocoel
B.	Exclusive marine forms
C.	High power of regeneration
D.	Great power of reproduction
Answer» B. Exclusive marine forms

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