- 1(current)
Q. No.A water vascular system is characteristically present in:
| 1. | Annelids | 2. | Porifers |
| 3. | Echinoderms | 4. | Cartilaginous fishes |
Subtopic: Â Phylum Echinodermata |
 81%
Level 1: 80%+
Hints
Which of the following will be correct regarding Echinoderms?
| 1. | They have bilateral symmetry as adults and radial symmetry as larvae. |
| 2. | They are triploblastic and coelomates. |
| 3. | They possess a well-developed excretory system. |
| 4. | They have an incomplete digestive system. |
Subtopic: Â Phylum Echinodermata |
 71%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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