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Match List-I (Interaction) with List-II (Species A And B)
Column I
- A. Mutualism
- B. Commensalism
- C. Amensalism
- D. Parasitism
Column II
- I. +(A), O(B)
- II. -(A), O(B)
- III. +(A), -(B)
- IV. +(A), +(B)
Correct answer: A → IV, B → I, C → II, D → III
Explanation
Mutualism is +/+, commensalism +/0, amensalism -/0 and parasitism +/-.
Detailed Solution
Mutualism: This interaction confers benefits on both the interacting species.
Commensalism: This is the interaction in which one species benefits (+) and the other is neutral (0).
Amensalism: In this interaction one species is harmed (–) whereas the other is unaffected (0).
Parasitism: In this interaction one species benefits (+) and the other is harmed (–).