The tip of something bigger
What Is a Mushroom?
A mushroom is the fruit of a hidden underground network that eats by dissolving things around it.
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Step 1 of 5
A fungus is not a plant.
It has no leaves and makes no sugar from sunlight. It feeds by releasing chemicals that break food down outside itself, then absorbing it.
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Step 2 of 5
The real body is a network of threads.
Fine threads spread through soil or wood, sometimes across hectares. The mushroom is only the part built to make and release spores.
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Step 3 of 5
The cap is a spore launcher.
Under it, gills or pores carry millions of spores. The cap keeps rain off them and holds them high enough for a breeze to catch.
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Step 4 of 5
Fungi are how dead things disappear.
They are the main recyclers of wood. Without them, forests would bury themselves in fallen trunks and the nutrients would never return.
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Step 5 of 5
Many plants are quietly partnered with them.
Fungal threads wrap tree roots and trade water and minerals for sugar. Most forest trees depend on a partner you never see.
Some fungal networks are among the largest living things known, spreading for kilometres through forest soil.
The short version
A mushroom is the spore-launching fruit of a hidden thread network that digests its food outside itself and recycles the forest.
Try it yourself
Lay a cap gills-down on paper overnight under a bowl. The spores fall out and print the gill pattern.
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