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1. When did the group with Australopithecus species appear?
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Finding events at specific times
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2. When did the last ice age begin?
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Finding events at specific times
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3. What different species of hominins existed between the penultimate and the last ice age?
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Comprehending concurrency
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4. Did Homo heidelbergensis exist at the same time as Homo sapiens?
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Comprehending concurrency
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5. Did Homo habilis exist before the appearance of Homo erectus?
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Comprehending relative order
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6. Did Homo erectus exist before the appearance of Australopithecus?
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Comprehending relative order
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7. How long did the group of Sahelanthropus, Orrorin and Ardipithecus exist?
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Estimation of duration
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8. How long was the penultimate ice age?
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Estimation of duration
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9. Compare the time Homo neanderthalensis existed with the time Homo habilis existed
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Comparisons of durations
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10. How long did the group of genus Sahelanthropus, Orrorin and Ardipithecus exist compared to Homo sapiens?
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Comparisons of durations
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