Types of chemosynthetic bacteria
| No. | Nutritional type | Source of energy | Source of carbon | Source of hydrogen | examples |
| 1 | Autotrophic bacteria are classified according to source energy, carbon and hydrogen | ||||
| (a) | Photoautotrophs | Sunlight | CO2 | H2S | Green sulphurbacteria |
| (b) | Photoautotrophs | sunlight | CO2 | H2O | cyanobacteria |
| (c) | photoheterotroph | Light | Organic compounds | Organic compounds | Purple non sulpur bacteria |
| (d) | Chemoautotrophs | Inorganic compounds such
as NH3, NO2, H2, H2S |
CO2 | H2O | Nitrifying bacteria, nitrobacter |
| 2 | heterotrophs | Organic compound | Organic compounds | Most bacteria | |
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Dr. Bbosa Science
CATEGORIES General
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