Eutrophication is the process of nutrient enrichment in a body of water, which leads to increased photosynthetic productivity but also lowers the dissolved oxygen content of the water. This decrease in oxygen can harm or kill aquatic organisms, leading to a reduction in biodiversity. Therefore, all of the statements are correct.

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Eutrophication

Question 17

Multiple Choice

Eutrophication:

A) lessens biodiversity.
B) lowers the dissolved oxygen content of the water.
C) is caused by nutrient enrichment.
D) results in increased photosynthetic productivity.
E) All of these statements are correct

Correct Answer: