Reference: Madigan, M. T., Bender, K. S., Buckley, D. H., & Strycharz-Glaven, S. (2020). Brock Biology of Microorganisms (17th ed.). Pearson Education.
Microorganisms also play a crucial role in human health. The human microbiome, which consists of trillions of microorganisms living in and on our bodies, is essential for maintaining our health. Microbes in the gut, for example, help to break down food, absorb nutrients, and produce vitamins. An imbalance of the microbiome, also known as dysbiosis, has been linked to various diseases, including inflammatory bowel disease, obesity, and mental health disorders. As stated in Brock Biology of Microorganisms, "the human microbiome is a complex ecosystem that plays a critical role in our health and disease" (Madigan et al., 2020). brock biology of microorganisms 17th edition
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One of the most critical roles of microorganisms is decomposition. Microbes such as bacteria and fungi break down dead organic matter, releasing nutrients back into the environment. This process is essential for the cycling of nutrients, as it allows nutrients to be reused by other living organisms. Without microorganisms, dead plants and animals would accumulate, and nutrients would become locked up, making them unavailable to other organisms. As noted in Brock Biology of Microorganisms, "decomposition is a critical component of the global carbon cycle" (Madigan et al., 2020). Reference: Madigan, M