Microorganism
A microorganism is a microscopic living entity, such as a bacterium, virus, or fungus, that is invisible to the naked eye and exists in vast numbers across diverse environments. These tiny powerhouses drive essential processes like nutrient cycling in ecosystems and fermentation in food production, but they can also pose risks as pathogens in human health. In today's world, microorganisms are harnessed for innovations in biotechnology, from biofuels to genetic engineering.
Did you know?
There are estimated to be around 10^30 individual microorganisms on Earth, which is more than the number of stars in the observable universe by a staggering factor of 10^20, highlighting their dominance in the planet's biomass. This microbial abundance not only shapes soil fertility and ocean currents but also means that, at any moment, you're carrying about as many microbial cells in your body as human ones.
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