Answer Happy

Match the correct answer with each nutritional definition to illustrate the wide range of environments inhabited by microorganisms. Lithotrophs Chemotrophs Heterotrophs Organotrophs Phototrophs Autotrophs Use reduced inorganic substances as their electron source Use reduced, preformed organic molecules as their carbon source for growth Obtain energy from the oxidation of chemical compounds Extract electrons from reduced organic compounds Use light as their energy source Use carbon dioxide as their sole or principal source of carbon