Question
Question: Which one of the following is a distinctive character of class Bivalvia of the phylum Mollusca...
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
Absence of a head