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Better question is why are HUMANS important to the ecosystem? Considering we are its greatest threat. In answering your question though, Polar Bears are natural hunters. I know no one likes to see the cut baby seals get eaten but in all honesty Polar Bears keep their population down much like lions do with antelope. There has to be a natural balance in an ecosystem. If Polar Bears don't eat the animals they do then those animals florish (think that's not bad?) and in that case the non eaten animals run out of food stores at which point they begin to starve to death and possibly, because of their large consumption of the animals THEY eat, they take a chance of starving out other populations as well.

polar bears are important because they keep the seals ,whale , and other sea creaters down from over populating on the earth and it would not be fair if we kil them all for no resone ever body and ever living thing on this earth have the right and the freedom to be on this earth just like we do

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13y ago

What else can I help you with?