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Which evolved during the Paleozoic Era? A. saber-toothed cats B. the first humans C. bacteria that could produce oxygen D. earth’s first land plants
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Which evolved during the Paleozoic Era? A. saber-toothed cats B. the first humans C. bacteria that could produce oxygen D. earth’s first land plants
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Dec 17, 2015
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Which evolved during the Paleozoic Era? A. saber-toothed cats B. the first humans C. bacteria that could produce oxygen D. earth’s first land plants
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Dima Vishnyakov
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D. Earth's first land plants.
David Ortiz
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Dec 23, 2015
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