17
QuizMultiple Choice

Interdependent Relationships in Ecosystems — Test

Question 17 • TPS EdX Biology

Which statement describes both a positive impact and a negative impact associated with the effects of nitrogen-enhanced fertilizers?

Answer
A
They increase polluted runoff and damage drinking water.
B
They increase denitrifying bacteria and increase plant growth.
C
They increase plant growth and damage drinking water.
D
They increase both limiting resources and denitrifying bacteria.

Explanation

Nitrogen-enhanced fertilizers can promote plant growth by supplying a nutrient plants need. However, excess nitrogen can wash into waterways and contaminate drinking water, so it has a negative impact as well. Choice C, “They increase plant growth and damage drinking water,” describes both effects.

AI-written and checked against the verified answer.

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