what polar animals eat??

this is the assignment of my brother. can u pls help me.
Answers:
depends on what the animal is
polar bears- eat seals and anything dead they can find, also known to eat whales that get trapped in the winter ice and only have 1 breathing hole in the ice they have to keep open all winter. they'll actually slash the backs of the whales and gore them.
whales- eat krill and fish
seals- eat fish
acrtic fox- anything it can find, grass, roots, mice, polar bear leftovers
arctic ptarmigans-grasses and seeds when they come up
penguins-fish

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Ice Cream !!

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fish , grass (if they find some), shrubs (if they find some), snow

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i think fish..

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Fish

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i dont know maybe seals or something like that