Question

What characteristic do mollusks and annelids share?

Answer 1

●Internal segmentation
▪▪▪▪▪▪
●Nephradia
eg:- Neoplinia glathia➡Connecting link between Annelida and Molluscs

Answer 2

Answer:

Both molluscs and annelids probably evolved from free-living flatworms. Both flatworms and molluscs are triploblastic, bilaterally symmetric, and cephalized. But molluscs have developed a true coelom, an internal body cavity enclosed by mesodermal membranes.