Acid • Anaerobes • Anaerobic • Antibiotics • Associated • Autotrophic • Carbohydrate • Carbohydrates • Compounds • Compromised • Degrade • Does • Easily • Fast • Fermentation • Fermentative • Fermenting • Fixing • Gas • Group • Have • Immune • Individuals • Inorganic • Into • Known • Laboratory • Metabolism • Minerals • Nitrifying • Nitrogen • Non • Oxidative • Pathogenic • Pathway • Photosynthetic • Positive • Process • Profiles • Reason • Soil • Sugars • Systems • Traditional • Typical • Under • Undergo • Used • Various • Water