Biologically, man is defined as primate by the species Hom.o sapiens, of which the only living subspecies is Hom.o sapiens sapiens. It is quite clear that man's closest living relatives are the African apes, chimpanzees and gorillas, and it is almost certain that chimpanzees are more closely related to us than to gorillas.
The early development of the human race took place in Africa. All fossils from our evolution from 7 million years ago to 2 million years ago that were found lived in Africa. Sometime almost 2 million years ago, however, human-like creatures of the genus Hom.o began to spread around the world, and fairly quickly populated large parts of Asia and Europe, all the way to Indonesia and China. Regarding the geographical origin of modern man, there are two main explanatory models.
According to the Out of Africa hypothesis, modern humans evolved in Africa and from there spread out over the world, competing with other hominids. The multiregional hypothesis instead claims that humans evolved in parallel from several at least partially isolated populations of hominids.
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