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Polar Bear Food Chain, Prey & Overview | The Arctic Food Web - Video & Lesson Transcript | Study.com
Polar Bears International on Twitter: "Polar bears are at the top of the Arctic food chain but rely on the entire food web to stay alive. Microorganisms like copepods eat the algae
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Polar Bears May Soon Feast on Whale Carcasses. Global Warming is to Blame. | Smart News| Smithsonian Magazine
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