ROLES OF MICROBES IN THE ECOSYSTEMName:Institution:Date: Microbes also called microorganisms are microscopic in nature either a single cell or multiple cells in component. Sir. Van Leeuwenhoek was among the first group of people took time to study microbes in 1675 in a subject known as microbiology. The study revealed that microbes are one of the oldest living things in the world. They include bacteria, viruses and fungi, which without them human cannot survive. This module will discuss e-coli as an example and its role in the ecosystem (Casali, 2003). E-COLI are a gram negative bacteria non transforming, rod shaped often motile in form of flagella. A study done in USA shown that a big number of Americans come into contact with the bacterium directly through food and other dietary factors. It’s a bacterium capable of causing disease in human and can prove fatal in some individuals after ingesti...