Which of the following is not a characteristic of phylum Annelida ?
Pseudocoelum
Ventral nerve cord
closed circulatory system
Segmentation
As we have learned
Phylum Annelida (Ringworm) -
Mostly aquatic and some terristrial, some communal and parasitic. Bilateral symmetry, triploblastic and coelomate (schizocoelom).
- wherein
Eg. Nereis, Pheretima, Hirudinaria.