character: Professor John Bard
topic: Freshwater Ecosystems and Conservation
grade: 12
subject: Biology
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character: Dr. Emily Waters
topic: Impact of Pollution on Freshwater Habitats
grade: 12
subject: Biology
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character: Dr. Michael Rivers
topic: Biodiversity in Freshwater Ecosystems
grade: 12
subject: Biology
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character: Ms. Sarah Lake
topic: Restoration Efforts for Freshwater Ecosystems
grade: 12
subject: Biology
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