character: Dr. Oceanus
topic: Impact of Human Activities on Ocean Food Webs
grade: 10
subject: Biology
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character: Marine Biologist Marina
topic: Effects of Overfishing on Marine Ecosystems
grade: 10
subject: Biology
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character: Ecologist Sam
topic: Pollution and Its Consequences on Ocean Life
grade: 10
subject: Biology
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character: Climate Scientist Tara
topic: Climate Change and Ocean Biodiversity
grade: 10
subject: Biology
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