The Impact of Ocean Warming and Acidification on Coral Reefs

The video discusses how oceans absorb over 90% of Earth's heat, leading to increased sea surface temperatures. This warming impacts coral reefs, which are vital for marine life. Professor Dunn explains the effects of temperature changes and marine heat waves on coral recovery. Additionally, the video highlights the role of CO2 emissions in ocean acidification, which threatens marine ecosystems and human food sources. Coral reefs provide natural coastal defenses and are crucial for marine biodiversity. The combined effects of climate change and ocean acidification pose significant risks to marine life and human reliance on seafood.

What is the primary reason that even a small increase in ocean temperature can significantly affect coral reefs?

• Corals are highly sensitive to temperature changes.

• Corals require high temperatures to thrive.

• Corals can only survive in cold water.

• Corals are unaffected by temperature changes.

How does increased carbon dioxide in the atmosphere affect ocean water?

• It decreases the water's temperature.

• It increases the water's acidity.

• It makes the water more alkaline.

• It has no effect on the water.

What is one consequence of ocean acidification on coral structures?

• Coral structures become stronger.

• Coral structures dissolve over time.

• Coral structures remain unchanged.

• Coral structures grow faster.

Why are coral reefs important for coastal protection?

• They create more waves.

• They have no effect on waves.

• They dissipate wave energy.

• They increase wave energy.

What is the relationship between coral reefs and human seafood consumption?

• Coral reefs only affect freshwater fish.

• Coral reefs provide a habitat for fish that are part of the human diet.

• Coral reefs have no impact on seafood availability.

• Coral reefs decrease the availability of seafood.