The physiology and ecology of microorganisms is such that they affect every aspect of our lives. Environmental microbiology is a term often used to refer to how we use the microbes to help us deal with problems we have created, but they are also the original recyclers and genetic engineers. Microorganisms play a key role in biogeochemical recycling: bioremediation, industrial processes, waste water and sewage treatment methane fermentation<br>Microbiology is the study of life that is too small to see without a microscope. Bacteria, archaea, viruses, and unicellular eukaryotes occupy every conceivable habitat, from arctic ice to hydrothermal vents, from gastrointestinal tracts to deep rock formations, from pristine lakes to polluted bogs.<br>Careers<br>Medical professional, Biotechnologist, Epidemiologist, Food quality analyst, Veterinarian, Research and development professional