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The most massive animal that ever lived on Earth is the ____.
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axolotl
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A ____ metamorphoses into a tiger moth.
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blue whale
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A ____ is a large flightless bird native to South America.
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cheetah
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An ____ is a salamander that remains aquatic and gilled.
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pterosaur
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A ____ is a large, hairy spider.
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rhea
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The ____ is an extinct flying reptile.
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tarantula
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The fastest land animal is the ____. It can sprint up to 70 mph.
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tortoise
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A ____ is a land-dwelling turtle. Some live for 150 years.
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woolly bear
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