Distinguish between the characteristics of phototrophs and chemotrophs
Phototrophs | Chemotrophs |
These are the organisms that obtain their energy from sunlight | Obtain their energy by oxidizing electron donor |
Sunlight is the main energy source | Energy source is the oxidizing energy of chemical compounds |
Categorized as photoautotrophs and photoheterotrophs | Categorized as chemoorganotrophs and chemolithotrophs |
E.g. Rhodobactor, algae, and cyanobacteria | E.g. sulfur oxidizing proteobacteria, iron-oxidizing bacteria and methanogenic archaea. |
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