Microorganism are essential part of our life. justify the statement
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Microorganisms play an important role in our life: helps us to digest our food, decompose wastes andparticipate in various cycles. They are diverse and have adapted to inhabit different environmentsincluding extreme conditions, such as hot vents under the ocean to the ice caps; known asextremophiles. There are more microorganisms present in us than there are cells, and the variousmicroorganisms are bacteria, viruses, fungi and protozoa. Many people link microorganisms as deathand diseases causing agents; also usually compared to dirt. Although some microorganisms areresponsible for causing diseases, most microorganisms! original hosts are not the human body so arenot pathogenic, but commensal. This essay will discuss the numerous beneficial microorganisms thatcarry out processes in biotechnology, agriculture, industries and environment; necessary to sustainlife."irstly, essential uses of microorganisms can be seen in the environment, as they play a vital role inmany of the nutrient cycles. "or instance, carbon fixation during the carbon cycle by autotrophicbacteria, such as cyanobacteria, synthesize organic molecule using from the atmosphere to beused by other organisms and release oxygen for our consumption. In addition, microorganisms arevital participants of the food chain since they act as decomposers; breaking down dead organismsand organic materials and releasing minerals for uptake by living organisms and back into theatmosphere to be used by photosynthetic organisms. Microorganisms, known as methanogens,influence the carbon cycle by converting in their cells to methane and releasing it intoatmosphere; thus increasing methane concentration whereas methanothrophs consume methanefrom the atmosphere, leading to a decrease in the greenhouse gas and global warming .Involvement of microorganisms in the nitrogen cycle demonstrates that they are not must beneficial forhumans, but are significant to plants as well; especially diazotrophs. (lants and diazotrophs havedeveloped a symbiotic relationship, for example, -hizobium present in the nodules on legume roots,fixes nitrogen enabling the plant to flourish in nitrogendeficient grounds. Microorganisms are crucialfor all three steps of nitrogen cycle: firstly, /itrosomonas and /itrosococcus convert ammonium ionsto nitrite and /itrobacter convert nitrite to nitrate during nitrification; secondly, during denitrification(seudomonas denitrificans reduces nitrate to nitrogen gas and thirdly nitrogen fixation, with thediazotrophs reducing nitrogen from the air into ammonia which are utilized by the plants to synthesize and amino acid. nother microorganism interacting with the plants are mycorrhizal fungi, whichforms a symbiotic relationship with plant roots. This association is beneficial for plant as fungalhyphae increases surface area enabling the plant roots to absorb more nutrients; also advantageousto fungi since they gain sugars produced by plants during photosynthesistlasartha, ).Moreover, microorganisms digest harmful chemicals, such as pollutants and chemical wastesproduced by the industry through a process known as bioremediation; thus protecting theenvironment and human health. In this process, microorganisms grow over a solid substrate to form abiofilm, through which the fluid containing the contaminants are poured through, so that the enzymesproduced by the microorganism can degrade the contaminant and the resulting fluid is nontoxic
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