Repost - Science Sphere A single teaspoon of healthy soil holds a hidden universe—more living organisms than the entire human population. That’s over 8 billion bacteria, fungi, protozoa, nematodes, and other microscopic life forms packed into just a few grams of earth.These tiny organisms form the foundation of terrestrial life. They break down organic matter, recycle nutrients, and help plants absorb essential minerals. Some microbes even form symbiotic relationships with plant roots, boosting growth and immunity. Others act as natural pest control or help filter water.Despite being invisible to the naked eye, soil microbes are essential to food production, climate regulation, and biodiversity. In fact, the health of entire ecosystems depends on this thriving underground network.So next time you walk through a forest or garden, remember: beneath your feet lies a teeming, unseen world of life—buzzing with more organisms in a pinch of soil than people on the planet.
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