Lichen symbiosis: successful for hundreds of millions of years
Able to colonize bare rock and live with little water, the lichen is a “symbiont,” a single organism composed of a fungus and an alga. The alga is a plant that makes food using sunlight, and the fungus surrounds and protects the alga, which shares its food. The symbiotic relationship is so successful that multiple species of lichen have evolved over time.
Advice to the beginning blogger: be like a lichen.
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