h9awildoma3browskymo
h9awildoma3browskymo h9awildoma3browskymo
  • 23-09-2016
  • Biology
contestada

How did primitive heterotrophs produce energy?

aerobic respiration

chemical fermentation

photosynthesis

Respuesta :

metchelle
metchelle metchelle
  • 27-09-2016
The correct answer for the given question above is the second option. Primitive heterotrophs produce energy through chemical fermentation. Chemical fermentation is the same with the process of anaerobic respiration. This involves the breaking down of glucose into energy sources anaerobically.
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7luisa17 7luisa17
  • 17-12-2020

Answer:

chemical fermentation

Explanation:

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