Which one of the following is not a characteristic of Phylum Annelida?
Correct answer: A. Pseudocoelom
- A. Pseudocoelom
- B. Ventral nerve cord
- C. Closed circulatory system
- D. Segmentation
Explanation
Phylum Annelida comprises invertebrates, which are segmented worms having cylindrical soft bodies showing metameric segmentation. These are triploblastic animals showing bilateral symmetry. A true coelom is present which is filled with coelomic fluid containing cells. Annelids are perhaps the first animals to have a true schizocoelic coelom.
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