A — consists of a fungus and either algae or autotrophic bacteria that live together
Lichen
A partnership between a fungus and either algae or autotrophic bacteria is known as a symbiotic relationship called a lichen. Lichens are unique organisms that grow on various surfaces such as rocks, trees, and soil. The fungi provide a structure and protection for the organism, while the algae or bacteria provide the ability to produce sugars through photosynthesis. In this relationship, the fungus provides the lichen with a structure to attach to surfaces and absorb water and nutrients, while the photosynthetic partner contributes food to the relationship. Lichens can survive in a wide range of environmental conditions, making them important indicators of air quality and ecological health.
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