MCQOPTIONS
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| 1. |
Which of the following is an example of bilaterally symmetrical, triploblastic marine animals that have notochord at some stages during their lives? |
| A. | Leech |
| B. | Lycopodium |
| C. | Herdmania |
| D. | Rana tigrina |
| Answer» D. Rana tigrina | |