character: Biologist Sarah
topic: The Role of Secondary Consumers in Ecosystems
grade: 9
subject: Biology
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character: Ecologist John
topic: Trophic Levels and Their Importance
grade: 9
subject: Biology
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character: Marine Biologist Anna
topic: The Impact of Predators on Marine Ecosystems
grade: 9
subject: Biology
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character: Environmental Scientist Mark
topic: Food Chains and Food Webs in Ecosystem Dynamics
grade: 9
subject: Biology
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