Lichens
Definition
Lichens are unique organisms composed of a symbiotic relationship between fungi and algae or cyanobacteria. They can grow on rocks, trees, and even rooftops, playing important roles in ecological processes such as nitrogen fixation and soil formation.
Analogy
Imagine lichens as roommates who complement each other's strengths. Just like how roommates share responsibilities and live together harmoniously, lichens consist of two different organisms working together for mutual benefit.
Related terms
Symbiosis: A close interaction between two different species living together in a mutually beneficial relationship.
Nitrogen fixation: The process by which certain bacteria or organisms convert atmospheric nitrogen into forms usable by plants.
Bioindicators: Organisms whose presence, absence, or abundance can indicate environmental conditions or changes.
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