essay on microorganisms our friend more than 50 words
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Microorganisms play an important role in our life: helps us to digest our food, decompose wastes and participate in various cycles. They are diverse and have adapted to inhabit different environments including extreme conditions, such as hot vents under the ocean to the ice caps; known as extremophiles. There are more microorganisms present in us than there are cells, and the various microorganisms are bacteria, viruses, fungi and protozoa. Many people link microorganisms as death and diseases causing agents; also usually compared to dirt. Although some microorganisms are responsible for causing diseases, most microorganisms’ original hosts are not the human body so are not pathogenic, but commensal. This essay will discuss the numerous beneficial microorganisms that carry out processes in biotechnology, agriculture, industries and environment; necessary to sustain life.
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Most microorganisms are beneficial, for example, there are microorganisms in our large intestine that synthesise vitamins and allow them to be absorbed into the bloodstream. However, a tiny minority are pathogens (disease-causing agents)
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