character: Ms. Oceans
topic: Marine Ecosystems
grade: 9
subject: Biology
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character: Dr. Reef
topic: Coral Reefs and their Biodiversity
grade: 9
subject: Biology
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character: Captain Currents
topic: Ocean Currents and Their Impact on Marine Life
grade: 9
subject: Biology
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character: Professor Tides
topic: The Role of Tides in Coastal Ecosystems
grade: 9
subject: Biology
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