Kamali Carroll Micro biology is a fairly new study which dates back to only a few hundred years. Microbiology is the study of microorganisms, which are minute living things too small to be seen with the naked eye. These microorganisms include bacteria , fungi , protozoa , microscopic algae and viruses .
Microorganisms tend to be associated with only uncomfortable infections and diseases.
However the majority of microorganisms make crucial contibutions to the welfare of the world's inhabitants by helping to maintain the balance of living organisms and chemicals in our environment. Soil microbes help break down wastes and incorporate nitrogen gas from the air into organic compounds. Microorganisms also have commercial applications. They are used in the synthesis of such chemical products as acetone, organic acids, enzymes, alcohols and many drugs.