character: Ocean Currents
topic: Marine Food Webs and Upwelling
grade: 10
subject: Geography
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character: Phytoplankton
topic: Base of Marine Food Webs
grade: 10
subject: Geography
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character: Zooplankton
topic: Role in Marine Food Webs
grade: 10
subject: Geography
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character: Seabirds and Marine Mammals
topic: Predators in Coastal Ecosystems
grade: 10
subject: Geography
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