Coral Reefs

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What is the relationship between coral and zooxanthellae?

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Mutualism: Coral and zooxanthellae have a symbiotic relationship where both benefit. Coral provides a protected environment and compounds for photosynthesis, while zooxanthellae provide oxygen and organic products of photosynthesis to the coral.

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What type of algae lives inside coral?

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Zooxanthellae: A type of dinoflagellate algae that lives within coral tissues and is crucial for coral health and energy.

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Why do coral reefs need shallow water?

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To receive sunlight: Coral reefs require sunlight for photosynthesis, which is essential for the survival of zooxanthellae.

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What type of water do coral reefs grow in?

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Warm and salty: Coral reefs thrive in warm, shallow, and saline waters, typically found in tropical and subtropical regions.

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How do coral reefs influence local weather patterns?

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They reduce surface wave energy: Coral reefs act as natural barriers, reducing wave energy and protecting coastlines.

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What is coral bleaching?

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Coral bleaching occurs when corals expel their zooxanthellae due to stress, leading to a loss of color and vital energy sources.

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What factors can lead to coral bleaching?

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Increased water temperature, pollution, and ocean acidification are major stressors that can cause coral bleaching.

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What role do coral reefs play in marine biodiversity?

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Coral reefs provide habitat and shelter for a diverse range of marine species, making them one of the most biodiverse ecosystems on the planet.

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How do coral reefs protect coastlines?

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Coral reefs act as natural barriers that absorb wave energy, reducing coastal erosion and protecting shorelines from storms.

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What is the significance of coral reefs to human communities?

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Coral reefs support fisheries, tourism, and coastal protection, providing economic benefits and food security to local communities.