Question

Compare and contrast aerobes and anaerobes as to habitats, metabolism and energy yields.

Compare and contrast aerobes and anaerobes as to habitats, metabolism and energy yields.

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Answer #1

Answer :

Energy Yield

Anaerobes has only low energy yield 2 ATP, compared to aerobes with 36 ATP.

AEROBIC > ANAEROBIC

Metabolism

Anaerobes uses fermentation metabolism for energy generation. Heterotrophic metabolism as final electron acceptor is not oxygen. By anaerobic respiration. Example is yeast.

Aerobes uses oxidative phosphorylation metabolism for energy generation. Here terminal electron acceptor is oxygen.

Habitats

Anaerobes prefer oxygen free habitats. Many members of indigenous flora are anerobic. Deep from surface soil,  in marshlands etc are their habitats.

Aerobes prefer oxygen rich habitat. Aerated moist soil with organic carbon sources.

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