Coral Reefs Article Questions

What percentage of marine life do coral reefs support?

• 10%

• 25%

• 50%

• 75%

What are coral reefs often referred to as?

• Deserts of the sea

• Rainforests of the oceans

• Mountains of the sea

• Plains of the ocean

What is one reason coral reefs are disappearing?

• Overfishing

• Ocean Acidification

• Increased tourism

• Natural predators

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What temperature range can coral not survive outside of?

• 10-15 degrees Celsius

• 20-25 degrees Celsius

• 26-27 degrees Celsius

• 30-35 degrees Celsius

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What percentage of energy do zooxanthellae provide to corals?

• 10%

• 50%

• 70%

• 90%

What happens to coral reefs with high rates of coral death?

• They recover quickly.

• They take many years or decades to recover.

• They become more colorful.

• They become stronger.

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What is the role of zooxanthellae in coral health?

• They provide color and energy.

• They make corals transparent.

• They dissolve coral skeletons.

• They protect corals from predators.

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What happens to coral reefs if ocean acidification continues?

• They become more resilient.

• More corals will be damaged or destroyed.

• They become more colorful.

• They grow faster.

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What is the role of zooxanthellae in coral health?

• They provide color and energy.

• They make corals transparent.

• They dissolve coral skeletons.

• They protect corals from predators.

What is the effect of ocean acidification on coral skeletons?

• They become stronger.

• They dissolve.

• They become more colorful.

• They grow faster.

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