character: Marine Biologist
topic: Marine Ecosystems
grade: 9
subject: Biology
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character: Coral Reef Specialist
topic: Coral Reefs
grade: 9
subject: Biology
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character: Oceanographer
topic: Marine Biodiversity
grade: 9
subject: Biology
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character: Environmental Scientist
topic: Conservation of Marine Habitats
grade: 9
subject: Biology
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