Multiple Choice
A 3-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. What is the likely cause of this in freshwater ecosystems?
A) increased solar radiation
B) introduction of nonnative tertiary consumer fish
C) nutrient runoff
D) accidental introduction of a prolific culture of algae
E) iron dust blowing into the lake
Correct Answer:
Verified
Correct Answer:
Verified
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