character: Dr. Oceanus
topic: Ecologist, Loss of Biodiversity in Ocean Ecosystems
grade: 6
subject: Geography
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character: Marine Biologist Bob
topic: Impact of Overfishing on Marine Life
grade: 6
subject: Geography
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character: Coral Reefs Carla
topic: Importance of Coral Reefs in Marine Biodiversity
grade: 6
subject: Geography
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character: Pollution Pete
topic: How Pollution Affects Ocean Ecosystems
grade: 6
subject: Geography
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