Multiple choice

Commensalism is a relationship between two organisms in which _____________

  1. one species benefits and the other species is harmed.

  2. both of the species benefit from their interaction.

  3. one species benefits and the other species is not harmed.

  4. both species are harmed during their interaction.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Commensalism is a symbiotic relationship where one organism benefits while the other is neither helped nor harmed. Option A describes parasitism, option B describes mutualism, and option D describes competition or predation.

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