Match the organisms given in Column I with their common name given in Column II and choose the correct option.
| Column I | Column II |
| A. Pennatula | I. Sea-lily |
| B. Antedon | II. Sea-pen |
| C. Echinus | III. Sea-urchin |
| D. Cucumaria | IV. Sea-cucumber |
- AA-II; B-III; C-I; D-IV
- BA-II; B-IV; C-I; D-III
- CA-II; B-I; C-III; D-IV
- DA-I; B-II; C-III; D-IV
✓ Correct answer: C
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