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Fireflies are really flying ____ that flash light to attract mates.
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aphids
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Arctic ____ have the longest migration journeys.
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beetles
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Blue whales eat small shrimp-like creatures called ____.
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koalas
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Mammoths, elephants, and ____ have large teeth called tusks.
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krill
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Female kangaroos and ____ carry their young in a pouch.
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octopuses
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To escape from predators, ____ can release black ink.
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seahorses
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Female ____ transfer eggs into the brood pouches of males.
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terns
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Some ants farm ____ for their honeydew (sugary excretion).
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walruses
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