IDNStudy.com, ang iyong gabay para sa maaasahan at mabilis na mga sagot. Magtanong ng anumang bagay at makatanggap ng detalyadong sagot mula sa aming komunidad ng mga eksperto.
Yes
Our species likely arose in many places around Africa, not just around the Kalahari Desert, critics say. A new genetic study suggests all modern humans trace our ancestry to a single spot in southern Africa 200,000 years ago.
How?: anatomically modern humans emerged 200,000 years ago in what was once a vast wetland that sprawled across Botswana in southern Africa. Later shifts in climate opened up green corridors to the northeast and southwest, leading our ancestors to spread through Africa.