Lichens are a mutualistic association of algae or photosynthetic bacteria and fungi. The algae provide the lichen with food through photosynthesis, while the fungi provide structural support and protection. This mutualistic relationship allows lichens to survive in a wide range of environments, including rocks and trees in arctic and desert regions.

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Lichens Are

Question 22

Multiple Choice

Lichens are:

A) a mutualistic association of algae or photosynthetic bacteria and fungi.
B) algae-like fungi.
C) fungi that grow on the roots of plants.
D) fungi adapted for life in rocky soil.

Correct Answer: