microbiologist

noun

mi·​cro·​bi·​ol·​o·​gist ˌmī-krō-bī-ˈäl-ə-jəst 

: a specialist in microbiology

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A Microbiologist Studies Microorganisms

Since microorganisms are involved in almost every aspect of life on earth, microbiologists work across a broad range of subject areas. Some study only viruses, some only bacteria. A marine microbiologist studies the roles of microbial communities in the sea. A soil microbiologist might focus on the use and spread of nitrogen. Veterinary Microbiologists might research bacteria that attack racehorses or diagnose anthrax in cows. And the government puts microbiologists to work studying whether microbes could adapt to life on the surface of Mars, and how to defend ourselves against the possibility of germ warfare.