The Brilliant Deep (Rebuilding the World's Coral Reefs)

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What are coral reefs?

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Coral reefs are underwater structures made from calcium carbonate secreted by corals. They provide habitat for many marine species.

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Why are coral reefs important?

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Coral reefs support marine biodiversity, protect coastlines from erosion, and provide resources for fishing and tourism.

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What does it mean to restore coral reefs?

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Restoring coral reefs involves efforts to revive and rehabilitate damaged or dying coral ecosystems.

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What is the role of sea urchins in coral reefs?

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Sea urchins help control algae growth on coral reefs, which is important for the health of the corals.

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What does 'murky water' indicate about a coral reef?

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Murky water can indicate pollution or excess nutrients, which can harm coral reefs.

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What is SCUBA?

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SCUBA stands for self-contained underwater breathing apparatus, allowing divers to explore underwater environments.

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What does it mean to 'contrast' in a text?

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To contrast means to describe how two or more things are different.

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What happens when corals lose color?

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When corals lose color, it often indicates stress or bleaching, which can lead to their death.

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What is a 'groundskeeper' in the context of coral reefs?

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A groundskeeper in coral reefs refers to organisms like sea urchins that help maintain the health of the reef by controlling algae.

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How do coral reefs protect coastlines?

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Coral reefs act as natural barriers, absorbing wave energy and reducing the impact of storms on shorelines.