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AP Environmental Science 9.6: Ocean Warming

Practice AP Environmental Science questions on greenhouse gases, ocean warming, coral bleaching, habitat loss, and marine species.

Syllabus
Effective Fall 2025
Course
AP Environmental Science

Exam points

  • explain how ocean warming causes coral bleaching, habitat loss, and marine metabolic or reproductive changes

9.6 Ocean Warming question 1

[Maximum number: 2]

The graph shows measurements of atmospheric levels of carbon dioxide ( CO2\mathrm{CO}_{2} ) at Mauna Loa Observatory, Hawaii, and the measurements of pH levels in the ocean nearby at Station ALOHA. Measurements of pH began in 1992.

ATMOSPHERIC CARBON DIOXIDE AT MAUNA LOA AND OCEANIC pH AT STATION ALOHA, HAWAII

ATMOSPHERIC CARBON DIOXIDE AT MAUNA LOA AND OCEANIC pH AT STATION ALOHA, HAWAII

Changes in pH in the world's oceans pose a risk to many marine organisms.

Other than threats posed by decreasing pH, identify an additional anthropogenic threat to the world's coral reef ecosystems and describe how the threat damages the coral reefs and coral reef ecosystems.

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