Where microorganisms live?

Microorganism live everywhere

Microorganisms almost live in all over the earth

microorganism or microbe is an organism which is microscopic, which means so small that people cannot see them with naked eye. The study of microorganisms is called microbiology. Microorganisms include bacteria, fungi, archaea, protists and viruses, and are among the earliest known life forms. The first of these four types of microorganisms may either be free-living or parasitic. Viruses can only be parasitic, since they always reproduce inside other living things.[1][2][3] Most micro-organisms are unicellular organism with only one cell, but there are unicellular protists that are visible to the human eye, and some multicellular species are microscopic. Microorganisms live almost everywhere on earth where there is liquid water, including hot springs on the ocean floor and deep inside rocks within the earth's crust. Such habitats are lived in by extremophiles. Microorganisms are critical to nutrient recycling in ecosystems, because they act as decomposers. Because some microorganisms can also take nitrogen out of the air, they are an important part of the nitrogen cycle. Pathogenic, or harmful, microbes can invade other organisms and cause disease