Ocean Acidification and Coral Skeletons Quiz

What is the main focus of the study mentioned in the text?

• Impact of rising sea levels on coral skeletons

• Effects of ocean warming on coral reefs

• How ocean acidification affects coral skeletons

• Role of parrotfish in coral reef ecosystems

What are coral skeletons made of?

• Silica

• Magnesium sulfate

• Sodium chloride

• Calcium carbonate

Which region is expected to experience up to 20% reductions in coral skeletal density by the start of the next century?

• Northern Red Sea

• Hawaii

• Caribbean

• Coral Triangle

What is the form of calcium carbonate that coral skeletons are made of?

• Gypsum

• Calcite

• Aragonite

• Dolomite

What process do corals use to build their skeletons upward?

• Vertical growth

• Radial growth

• Spiral growth

• Lateral growth

Which of the following is NOT mentioned as a stressor for coral reefs in the text?

• Rising sea levels

• Changing nutrient regimes

• Warmer ocean temperatures

• Increasing air pollution

What is the specific form of calcium carbonate that corals have difficulty accreting due to ocean acidification?

• Gypsum

• Aragonite

• Dolomite

• Calcite

What is the name of the journal where the results of the study were published?

• Nature Communications

• Environmental Science & Technology

• Proceedings of the National Academy of Sciences

• Journal of Marine Biology

Which institution led the new research on how ocean acidification affects coral skeletons?

• National Science Foundation (NSF)

• Woods Hole Oceanographic Institution (WHOI)

• Academia Sinica in Taiwan

• Massachusetts Institute of Technology (MIT)

What is the primary cause of coral reef stress mentioned in the text?

• Overfishing

• Acid rain

• Plastic pollution

• Climate change