What Trophic Level Does Lichen Occupy in a Food Chain?

Lichen: A Fascinating Symbiotic Relationship Lichens are fascinating organisms that are neither plants nor animals, but a unique combination of the two. They are formed by a symbiotic relationship between a fungus and an alga or cyanobacteria. The fungus provides the alga or cyanobacteria with shelter and water, while the alga or cyanobacteria provides the…