| Nematoda | Annelida | |
|---|---|---|
| 1. | Tissues but no real organs. | True organs packaged in body structure. |
| 2. | Body Cavity is not true coelom (pseudocoelom) | True body Cavity |
| 3. | Body is cylindrical | Body is segmented. |
| 4. | e.g. Ascaris, Wucharia | e.g. Leeches, Earthworms, Nereis |
