Bacteria: the real stars of the show

For those interested (from textbookofbacteriology.net)

MAJOR NUTRITIONAL TYPES OF PROKARYOTES

 

Nutritional Type Energy Source Carbon Source Examples
Photoautotrophs Light CO2 Cyanobacteria, some Purple and Green Bacteria
Photoheterotrophs Light Organic compounds Some Purple and Green Bacteria
Chemoautotrophs or Lithotrophs (Lithoautotrophs) Inorganic compounds, e.g. H2, NH3, NO2, H2S CO2 A few Bacteria and many Archaea
Chemoheterotrophs or Heterotrophs Organic compounds Organic compounds Most Bacteria, some Archaea
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