Modes of Nutrition

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Modes of Nutrition

Autotrophic- organisms build complex, organic compounds from simple, inorganic ones.

  • Photoautotrophic- Light energy from the sun is absorbed by chlorophyll and used to split water into oxygen and hydrogen. Used by photosynthesising plants (and some algae and bacteria). 
                                       6CO2 + H20 ======> C6H12O6 + 6H20
  • Chemoautotrophic- Chemosynthesis. Use energy from oxidation reactions to convert simple, inorganic compounds into


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