Multiple choice

Which of the following is an example of mutualism?

  1. Crown gall

  2. Lichen

  3. Hypertrophy

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A lichen is a composite organism that emerges from algae or cyanobacteria (or both), living among filaments of a fungus in a mutually beneficial (symbiotic) relationship.

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