Trophism

Phototrophs and chemotrophs comprise autotrophs, using energy to fix atmospheric carbon. Phototrophs utilize photic (light) energy, whereas chemotrophs instead attain energy through oxidization of inorganic compounds.

Non-autotrophic bacteria are termed heterotrophs, and obtain their carbon by feeding upon environmental organic compounds or living organisms (pathogens). Photoheterotrophs obtain energy from light, whereas chemoheterotrophs obtain energy through oxidization of inorganic compounds. Some chemoheterotrophs prey upon other organism (infection).

æ Bacterial infection ф pathogens æ Photosynthetic bacteria æ
Flow Chart  Trophism Tables  Comparisons of Eubacteria, Archaea, and Eukaryotes  Electron acceptors for respiration and methanogenesis in prokaryotes  Glycolysis in bacteria  Lithotrophic prokaryotes  Overview of Photosynthesis  Structure of bacteriochlorophylls  Comparison of Photosynthesis and Respiration  Comparison of Plant and Bacterial Photosynthesis

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