Question

what are lichens? What is host and parasite ​

Answer 1

Answer:

lichens are symbiotic organisms comprising one species-specific heterotrophic fungus, one or more autotrophic partners (photobionts) and often a cortical Basidiomycete yeast (Spribille et al., 2016). ... The more than 1800 known lichenicolous fungi are usually considered as parasites.

Answer 2

Explanation:

Lichens are compound plants as algae and fungi live together in close association, as a result of which both are benefited. This relationship is called symbiosis.