Compared to eutrophic lakes, the biochemical oxygen demand, or BOD, of oligotrophic lakes is
A) low.
B) similar.
C) high.
D) unpredictable.
E) extremely high.

Question

Quizplus · Accepted Answer

Oligotrophic lakes have a low nutrient content which leads to low levels of organic matter and thus a low BOD compared to eutrophic lakes which have a higher nutrient content and higher BOD.

Compared to Eutrophic Lakes, the Biochemical Oxygen Demand, or BOD