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| 1. |
Recent biochemical evidence indicated that cnidarians , as well as sponges , might have evolved from protists quite independently from the animals . Which of the following also sugggests a separate origin ?A. cnidarians are unsegmentedB. cnidarians have no nervous tissueC. cnidarians are radially symmetricalD. cnidarians have gastrovascular cavity |
| Answer» Correct Answer - C | |