At this stage several kinds of ape men populated Africa, each with its own unique adaptations. These species were doomed as the African continent grew increasingly arid, but a new human species well adapted to a hot dry climate emerged.
Homo agasta display the beginnings of families, tool making, team work and vocal communications. Some migrate out of Africa resulting in the evolution of additional human species in different parts of the world.
When a geological cataclysm separates two populations of humans for several hundred thousand years they evolve into two separate species; Neandethals in arctic Europe and Homo Spaiens in arid Africa. The restoration of a moderate climate in both regions favor homo sapiens which becomes the sole surviving human species.