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Female ____ transfer eggs into the brood pouches of males.
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aphids
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Female kangaroos and ____ carry their young in a pouch.
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beetles
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Crows caw, whereas ____ are larger and make croaking sounds.
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koalas
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Some ants farm ____ for their honeydew (sugary excretion).
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ostriches
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Arctic ____ have the longest migration journeys.
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ravens
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Mammoths, elephants, and ____ have large teeth called tusks.
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seahorses
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Fireflies are really flying ____ that flash light to attract mates.
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terns
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Penguins, emus, rheas, kiwis, and ____ are flightless birds.
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walruses
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