Question
Question: Ambulacral grooves are absent in the living forms of the class...
Ambulacral grooves are absent in the living forms of the class
A
Crinoidea
B
Ophiuroidea
C
Asteroidea
D
Echinodermata
Answer
Ophiuroidea
Ambulacral grooves are absent in the living forms of the class
Crinoidea
Ophiuroidea
Asteroidea
Echinodermata
Ophiuroidea