Microbiology
Microbiology (from Greek , "mīkros", "small"; , "bios", "life"; and , "-logia") is the study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.
Macrobiology
Macrobiology is the branch of biology that studies large living organisms (termed Macro organisms) that can be seen by the naked eye. Macrobiology is the opposite of Microbiology.