Nutritional typology of microorganisms

following (Stolp, 1988, p. 18)

CO2 sources

autotrophic
use inorganic nutrients
heterotrophic
use preformed organic nutrients

Energy sources

phototrophs
use radiant light
chemotrophs
use use oxidation-reduction reactions of organic nutrients

H-donor sources

organotrophic
use organic compounds
lithotrophic
use use reduced inorganic compounds
Revised by Ralph 29 July 1998