What is the key distinguishing feature used to identify annelids from roundworms?
There are 4 distinguishing features between annelids and roundworms. 1.)Annelids are segmented, roundworms are not.2.) Annelids have a true coelom while roundworms have a pseudocoelom.3.) Annelids have a more complex nervous system than roundworms. 4.)Annelids have a more complex circulatory system than roundworms.