All of the Following Are Characteristic of Lichens EXCEPT

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 symbiotic relationship between a fungus and a protozoan.
C) they serve as primary producers in rocky ecosystems.
D) they are used as indicators of air pollution.
E) they are a major food source for tundra herbivores.