Climate Change Impacts Quiz

What is one of the main ways human-caused carbon dioxide emissions are affecting the ocean?

• Increasing fish populations

• Decreasing biodiversity

• Warming

• Increasing salinity

What is coral bleaching?

• A natural growth process of coral

• A type of coral disease

• A method of cleaning coral reefs

• A process where coral turns white due to temperature changes

What is a dead zone in the ocean?

• An area with low oxygen levels

• A zone with increased salinity

• An area with high fish population

• A region with high coral growth

What impact does climate change have on marine fisheries?

• Increases fish population everywhere

• Causes fish to move to warmer waters

• Alters the geographic range of fish species

• Decreases the need for fishing regulations

What is one of the ecosystem services provided by the ocean?

• Increased carbon emissions

• Water filtration

• Higher sea levels

• Increased ocean acidity

What is a significant threat to subsistence fishing in Alaska?

• Climate change

• Increased tourism

• Pollution

• Overfishing

What is one effect of marine heatwaves?

• Death of sea lions

• Increased coral growth

• Higher fish harvests

• Decreased ocean acidity

What is the projected decrease in fish harvests on America’s East Coast by 2060?

• 40% to 50%

• 20% to 30%

• 10% to 20%

• 30% to 40%

What is one of the impacts of ocean acidification?

• Higher oxygen levels

• Difficulty for animals to make shells

• Improved water clarity

• Increased fish populations

What is one of the main economic contributions of the ocean to the U.S. economy?

• Increased carbon emissions

• Tourism and recreation

• Higher sea levels

• Increased ocean acidity