Asked by Jessica Tessier on Jun 30, 2024
Verified
Which organisms form lichens?
A) archaea and algae
B) archaea and fungi
C) cyanobacteria and algae
D) cyanobacteria and fungi
E) cyanobacteria and archaea
Cyanobacteria
Photosynthetic microorganisms, also known as blue-green algae, that are key players in nitrogen fixation and oxygen production in various ecosystems.
Lichens
Symbiotic associations between a fungus and a photosynthetic partner, typically an alga or cyanobacterium, living together in a mutualistic relationship.
- Identify symbiotic relationships in microorganisms, such as those forming lichens.
Verified Answer
CB
Craig BarkusJul 05, 2024
Final Answer :
D
Explanation :
Lichens are formed by a symbiotic relationship between fungi and either green algae or cyanobacteria. The fungi provide structure and protection, while the algae or cyanobacteria provide nutrients through photosynthesis. Therefore, choice D is the correct answer as it includes the correct combination of organisms that form lichens.
Learning Objectives
- Identify symbiotic relationships in microorganisms, such as those forming lichens.