title: The biology of methanogenic bacteria.
mesh_terms: D000693:Anaerobiosis; D001419:Bacteria / Q000145:classification / Q000254:growth & development / Q000378:metabolism* / Q000648:ultrastructure; D004463:Ecology; D004734:Energy Metabolism; D008697:Methane / Q000096:biosynthesis*; D013045:Species Specificity
chemical_list: D008697:Methane