Lichen is a composite organism that results from the mutualistic relationship between a fungus and an alga or cyanobacterium. It possesses unique features such as a crusty, leafy, or branching appearance, depending on the species. To "make" lichen, the fungus, and photosynthetic partner naturally come together to form a symbiotic association. This allows the fungus to provide a suitable environment for the photosynthetic partner, which, in turn, produces energy through photosynthesis. The resulting lichen is a remarkable organism that can survive in diverse habitats, from arctic tundras to deserts, showcasing its adaptability and ecological significance.

“lichen”的英语定义和含义

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