Identify the correct match from the column I, II and III.
| Column I | Column II | Column III |
| (1) Mutualism | a. (+, −) | i. Visiting flamingoes and resident fishes in South American lakes |
| (2) Competition | b. (+, 0) | ii. Starfish Pisaster in American Pacific coast |
| (3) Predation | c. (+, +) | iii. Cattle egret birds and cattle |
| (4) Commensalism | d. (−, −) | iv. Lichens |
- A1-d-iv, 2-c-i, 3-a-ii, 4-b-iii
- B1-c-iv, 2-d-i, 3-a-ii, 4-b-iii
- C1-c-iv, 2-d-iii, 3-a-ii, 4-b-i
- D1-d-iv, 2-c-i, 3-b-ii, 4-a-iii
✓ Correct answer: B
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