| A. | Digestive system in Platyhelminthes is incomplete. |
| B. | Bilateral symmetry is a characteristic feature of adult Echinoderms. |
| C. | Pseudocoelom is possessed by Aschelminthes. |
| D. | Notochord is persistent throughout life in the class Chondrichthyes. |
| E. | Members of class Reptilia maintain a constant body temperature. |
| 1. | B and E only | 2. | C and D only |
| 3. | A and C only | 4. | B and D only |