character: Dr. Nancy Knowlton
topic: Biodiversity and Coral Reef Ecosystems
grade: 10
subject: Science
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character: David Gill
topic: Marine Conservation Strategies
grade: 10
subject: Science
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character: Dr. Sylvia Earle
topic: Ocean Exploration and Marine Biology
grade: 10
subject: Science
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character: Dr. Charles Messing
topic: Deep-Sea Biodiversity and Ecosystem Services
grade: 10
subject: Science
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