| 21. | The Ardipithecus hominids at that time also appeared to live in woodlands.
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| 22. | That implies they didn't breed with other hominids.
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| 23. | Maybe other animals were leaving and the hominids simply followed.
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| 24. | Maybe there's a lesson there for us hominids.
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| 25. | They are, in many respects, the dinosaurs of hominid studies.
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| 26. | They are the oldest remains of hominids known to scholars.
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| 27. | These remains are among the oldest hominid remains ever found.
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| 28. | Hominids started using primitive stone tools millions of years ago.
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| 29. | An extremely old hominid footprint was discovered in 2007 at Siwa Oasis.
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| 30. | Biogeographers call this enlarged Greater Australian continent " hominids.
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