Multiple Choice
All of the following are characteristic of lichens EXCEPT
A) they are arranged in foliose, fruticose, or crustose morphologies.
B) they are a major food source for tundra herbivores.
C) they are a symbiotic relationship of a fungus and a protozoan.
D) they serve as primary producers in rocky ecosystems.
E) they are used as indicators of air pollution.
Correct Answer:

Verified
Correct Answer:
Verified
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