A. A symbiotic association between fungi and algae
B. A single-celled organism
C. A type of plant
D. A member of the kingdom Protista
Answer: A symbiotic association between fungi and algae
What type of organism is a lichen?
Additional Information: Lichens are formed by a mutualistic relationship between fungi and photosynthetic organisms such as algae.
Subjects: Biological Classification, Biology