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AP Environmental Science 8.5: Eutrophication

Practice AP Environmental Science questions on fertilizer runoff, detergents, eutrophication, algal blooms, hypoxia, and dissolved oxygen.

Syllabus
Effective Fall 2025
Course
AP Environmental Science

Exam points

  • explain how nutrient enrichment causes algal blooms, decomposition, oxygen depletion, and aquatic die-offs
  • distinguish eutrophic, hypoxic, and oligotrophic waterways by nutrients, algae, and dissolved oxygen

8.5 Eutrophication question 1

[Maximum number: 2]

The following diagram shows how an area changed over time. The dominant vegetation in each stage is labeled in the diagram. Each roman numeral represents a stage in the ecological process.

Figure for Question 8.5 Eutrophication question 1 — AP Environmental Science

Question (a)

(a)

Explain why an indicator of water quality other than temperature could be altered by the golf course in forest B.

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Question (b)

(b)

Explain how the aquatic organisms living in the lake illustrated in the diagram of forest B are likely to be affected by the new golf course.

Begin your response to this question at the top of a new page in the separate Free Response booklet and fill in the appropriate circle at the top of each page to indicate the question number.

[ 1 ]
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