character: Dr. John Smith
topic: Understanding Ecosystems through Sedimentary Rock Analysis
grade: 12
subject: Biology
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character: Dr. Emily Wright
topic: The Role of Fossils in Ecosystem Understanding
grade: 12
subject: Biology
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character: Dr. Angela Lee
topic: Sedimentary Rocks and Their Influence on Biodiversity
grade: 12
subject: Biology
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character: Dr. Mark Davis
topic: Geological Time and Ecosystem Changes
grade: 12
subject: Biology
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