Answer: Roundworms are Unsegmented worms that have Pseudocoeloms. Roundworms have two openings in their digestive systems; the mouth and the anus. Pseudocoelom. Mesoderm tissue lines a cavity between the endoderm and mesoderm tissues. What Type Of Worm Has A Pseudocoelom? Nematoda is a phylum that includes roundworms. Pseudocoelom and a hydrostatic skeleton are features of […]
