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Commensalism is when _______

One species benefits and the other is harmed


Both species benefit


One species benefits and the other is not helped or harmed

User FlashOver
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2 Answers

4 votes

Answer:

The last one.

Step-by-step explanation:

Had this on a test once. I got it right

User Adam Vincze
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3 votes

Answer:

Commensalism is a symbiotic relationship in which one species benefits while the other is not affected. Parasitism is a symbiotic relationship in which the parasitic species benefits while the host species is harmed.

User Schoener
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