Which one of the following is a distinctive character of class Bivalvi – McqOptions

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1.	Which one of the following is a distinctive character of class Bivalvia of the phylum Mollusca
A.	Absence of a head
B.	Presence of arms or tentacles around the mouth
C.	Absence of gills
D.	Presence of a coiled shell
Answer» B. Presence of arms or tentacles around the mouth

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