character: David Attenborough
topic: Wildlife and Ecosystems
grade: 9
subject: Biology
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character: Jane Goodall
topic: Primatology and Conservation
grade: 9
subject: Biology
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character: Sylvia Earle
topic: Marine Biology and Ocean Conservation
grade: 9
subject: Biology
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character: Carl Sagan
topic: Astrobiology and Planetary Ecosystems
grade: 9
subject: Biology
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