Which one of the following is not a characteristic of Phylum Annelida?
A. Pseudocoelom
B. Ventral nerve cord
C. Closed circulatory system
D. Segmentation
Answer:A
Which one of the following is not a characteristic of Phylum Annelida?
A. Pseudocoelom B. Ventral nerve cord C. Closed circulatory system D. Segmentation