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3
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Living things need this to eat.
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4
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Living things need this to drink.
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7
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The area that a living thing lives in.
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8
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Living things need this to live in.
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9
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This group of animals have scales.
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10
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This group of animals have gills.
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11
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Non-living things can't do this.
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12
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Living things need this to keep warm.
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15
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Living things do this as they get older.
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16
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Animals use these to react to things.
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18
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This is a non-living thing.
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