In ecology, which ecological interaction benefits one species while leaving the other completely unaffected (neither harmed nor helped)?
Answer and explanation
Correct answer: A. Commensalism
- Step 1: Commensalism is a (+ / 0) symbiotic relationship where one organism benefits and the host is unaffected (e.g., barnacles on whales). Answer: Commensalism. Why not the others: Mutualism is (+ / +); parasitism is (+ / -).
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