How the biological oxygen demand gets affected with the increased presence of organic matter in water?
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Obligate aerobes need oxygen because they cannot ferment or respire anaerobically. ... 5: Aerotolerant organisms do not require oxygen as they metabolise energy anaerobically. Unlike obligate anaerobes however, they are not poisoned by oxygen. They can be found evenly spread throughout the test tube.
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Biological Oxygen Demand
Biological Oxygen Demand (BOD) and Water.Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.
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