Similar term(s): bacterium.
Bacteria are a major group of micro-organisms that live in soil, water, plants, organic matter, or the bodies of animals or people. They are microscopic and mostly unicellular, with a relatively simple cell structure.
Some bacteria cause diseases such as tetanus, typhoid fever, pneumonia, syphilis, cholera, and tuberculosis.
Bacteria play a role in the decomposition of organic matter and other chemical processes.
Source: GreenFacts
Source: Dartmouth College
Dartmouth Electron Microscope
Facility
Antibiotics - Bt - Cell - Micro-organism - Tuberculosis
GreenFacts Summary on Respiratory Diseases in Children:
Deutsch: Bakterien
Español: Bacteria
Français: Bactéries
Nederlands: Bacteriën