Read the following statements regarding the class-Crinoidea of phylum-Echinodermata.  I,Ciliared
Channel: Doubtnut
Date: 2020-05-03

Read the following statements regarding the class-Crinoidea of phylum-Echinodermata.  I,Ciliared ambulaoral grooves are present on the aboral surface.  II.Antedon beloging to this calss has a good power of regeneration.  III.The oral surface bears mouth and cloca.  IV the tube feet lack suckers.  Choos the corrcet ones.