Definition, Classification and Types of Microorganisms

Definition, Classification and Types of Microorganisms

Microbes or microorganisms are microscopic organisms (i.e., they are not visible to naked eye) that exist as unicellular, multicellular, or cell clusters. Microorganisms are widespread in nature (they make up almost 60% of the earth’s living matter) and are beneficial to life, but some can cause serious harm.

Microbiology: Definition, History and Importance of Microbiology

Definition, History and Importance of Microbiology

Microbiology is the study of organisms and agents that are too small to be visible with the unaided eye – that is, the study of microorganisms.