character: Professor Sarah Lee
topic: Bioaccumulation of Toxins in Marine Food Chains
grade: 11
subject: Science
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character: Dr. Emily Carson
topic: Trophic Levels and Energy Transfer in Ecosystems
grade: 11
subject: Science
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character: Marine Biologist Mike Chen
topic: Impact of Pollutants on Marine Life
grade: 11
subject: Science
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character: Ecologist Lisa Huang
topic: Effects of Climate Change on Marine Biodiversity
grade: 11
subject: Science
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