What can we learn with microbiology?
Microbiology
microorganisms
Microbiology (from Greek μῑκρος, mīkros, "small"; βίος, bios, "life"; and -λογία, -logia) is the study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells).[1] Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.