[A] : Annelids , Arthropods and mollusks are protostomial coelomates .  [R] : They all show
Channel: Doubtnut
Date: 2020-05-03

[A] : Annelids , Arthropods and mollusks are protostomial coelomates .  [R] : They all show bilateral symmetry , tube with in tube body pland and three germ layer derivations.