Eutrophic Lakes Typically Support Ten Times the Microbial Concentrations of an Oligotrophic

Multiple Choice

Eutrophic lakes typically support ten times the microbial concentrations of an oligotrophic lake. Which of the following statements is NOT true of eutrophic lakes?

A) Biochemical oxygen demand is high.
B) Population of aquatic animals is high.
C) Nitrogen and phosphorous levels are usually high.
D) Photosynthetic activities are altered.
E) Algal blooms are common.