What are the nutritional groups of bacteria based on their source of energy and carbon ?

Explanation

Four major nutritional groups of bacteria based on the source of energy and carbon are described below.
`{:("Type","Energy source","Carbon source","Examples"),("1. Photoautotrophs","Light",CO_(2),"Chromatium Chlorobium"),("2. Chemoautotrophs","Energy source from the",CO_(2),"Nitrosomonas Nitrobacter"),(,"oxidation of inorganic compounds",,"Beggiotoa methanogens"),("3. Photoheterotrophs","Light","Organic compounds","Rhodospirillum Rhodopseudomonas"),("4. Chemoheterotrophs","Organic compounds","Organic compounds","Xanthomonas"):}`