All of the following are correct about oligotrophic lakes except:
A)they have an abundance of minerals and organic material
B)they are often deeper than eutrophic lakes
C)their deep water is rich in oxygen
D)they are highly susceptible to pollution from fertilizer runoff
E)they are highly susceptible to detergent and sewage contamination

Question

Quizplus · Accepted Answer

Oligotrophic lakes have low nutrient levels and low organic material, not an abundance of them. This is what makes them different from eutrophic lakes. The other options are correct – oligotrophic lakes are often deeper than eutrophic lakes, have deep water that is rich in oxygen, and are susceptible to pollution from fertilizer runoff. They are also more sensitive to pollution from detergent and sewage contamination, which is not listed as an option.

All of the Following Are Correct About Oligotrophic Lakes Except