The echinoderms, hemichordates and chordates had which of the followin – McqOptions

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1.	The echinoderms, hemichordates and chordates had which of the following larva as common ancestral form [APMEE 1996; BHU 1999; CBSE PMT 2001]
A.	Tornaria
B.	Trochophore
C.	Dipleurula
D.	Bipinnaria
Answer» D. Bipinnaria

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