- 1、Untilnow,fossilsdatedto1.9millionyearsago-andmostlyattributedtoHomohabilisandHomorudolfensis-havebeenundisputedconsideredancestraltoHomoerectus.2、Australopithecushadmassiveteeth,thegrindingmolarsofawasHomohabilisthathadabiggerbraincase.3、Withasm...
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