Lichens grow in a variety of habitats including rocks and tree trunks, and exist as a symbiotic association of algae or cyanobacteria and a fungus. The fungus provides anchoring, moisture, and minerals for the algae, and the algae performs photosynthesis providing sugars to sustain the fungus. The relationship between the fungus and algae is an example of
A. mututalism.
B. a predator-prey relationship.
C. parasitism.
D. microbial antagonism.
E. commensalism.
Answer: A
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What will be an ideal response?
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