Carbon
and
Energy
Source
Microorganisms
Classification
| Type | Energy Source | Carbon Source | Examples |
| Photolithotrophs | Light | CO2 | Algae,Purple sulphur bacteri,green sulphur bacteria |
| Photoorganotrophs | Light | Organic Compounds | Purple non sulphur bacteria |
| Chemolithotrophs | Oxidation of inorganic compounds | Nitrifying bacteria,iron bacteria,H2 bacteria | |
| Chemoorganotrophs | Oxidation of organic compounds | Organic Compounds | Most bacteria, fungi,protozoa |