Lichens are Formed by Symbiotic Relationshipsthat May Involve Any of the Following

Question

Lichens are formed by symbiotic relationshipsthat may involve any of the following except  
A) green algae.
B) cyanobacteria.
C) protists.
D) sac fungi.
E) ascomycetes.

Accepted Answer

Lichens are symbiotic associations primarily between fungi (most commonly sac fungi or ascomycetes) and photosynthetic partners such as green algae or cyanobacteria. Protists are not typically involved in the formation of lichens.