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Lichen is a major food source for ____.
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beetles
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White mulberry leaves are a favorite food for ____.
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caribou
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Killer whales, also called ____, are black with white undersides.
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koalas
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Female kangaroos and ____ carry their young in a pouch.
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ladybugs
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Most common ____ breed on or near Iceland.
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orcas
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Fireflies are really flying ____ that flash light to attract mates.
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puffins
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Tree ____ are slow-moving mammals of tropical rainforests.
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silkworms
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Aphids (tiny plant-eating pests) are a favorite food for ____.
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sloths
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