How Fungi Make Land Life Possible
Life on land depends on an alliance that is easy to miss. Beneath roots, stones, fallen leaves, and city streets, fungi spread through the ground in branching networks. These networks helped make soils, feed plants, and support the living systems that all animals depend on.
When the first ancestors of land plants moved out of the water hundreds of millions of years ago, they faced a hard world of bare rock and thin crusts of mineral dust. They had no true roots and no good way to gather nutrients from the ground. Fungi solved that problem by extending their fine threads through the earth and supplying minerals and water in exchange for carbon-rich food made by plants.
That ancient partnership still shapes nearly every landscape today. More than ninety percent of plant species depend on fungal partners at some point in their lives. Without fungi, forests, grasslands, crops, and the food chains built on them would look completely different, and many would not exist at all.
This is why fungi are not just a side note in nature. They are part of the basic system that allows land life to function. Once that is clear, the familiar picture of the natural world begins to change, because the ground beneath us is no longer empty space but a living network.
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