Illustration: Abstract Undiscovered Microorganism
ID 278827035 © Rik57 | Megapixl.com
A microorganism, or microbe,[a] is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells.The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India. The scientific study of microorganisms began with their observation under the microscope in the 1670s by Anton van Leeuwenhoek. In the 1850s, Louis Pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. In the 1880s, Robert Koch discovered that microorganisms caused the diseases tuberculosis, cholera, diphtheria, and anthrax.
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microorganism microbe organism microscopic exist single-celled colony existence microbial life suspected ancient times jain scriptures century india scientific microorganisms observation microscope anton leeuwenhoek louis pasteur food spoilage debunking theory spontaneous generation robert koch discovered diseases tuberculosis cholera diphtheria anthrax abstract undiscovered
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