character: Richard Ellis
topic: Marine Biology and Ocean Ecosystems
grade: 10
subject: Biology
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character: Sylvia A. Earle
topic: Underwater Exploration and Conservation
grade: 10
subject: Biology
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character: Jacques Cousteau
topic: Marine Conservation and Documentary Filmmaking
grade: 10
subject: Biology
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character: Carl Safina
topic: Ecology of the Sea and Wildlife Conservation
grade: 10
subject: Biology
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