Apes to Humans

The modern understanding of the ancestral lineage of the descent of primitive humans to the Homo ergaster in Africa needs to be understood in terms of the evolutionary processes at work and the geographical locations that provided the habitats. A common ancestor is assumed of the Catarrhini monkeys that gave rise to Hominoidea from which the major bifurcation occured between the gibbons family (Hylobatidae) on the one hand and the Hominidae on the other. A split subsequently occurred to the give rise to the orangutans (sub-family Ponginae)  and the Homininae. The next split was that of the gorillas (tribe Gorillini) and Hominini. Following this the chimpanzee line arose (genus Pan) and the line that gave rise to the Homo line in the shape of Homo habilis (genus Homo), which gave rise to the first modern humans in the shape of Homo ergaster.

The gibbons family are known collectively as the lesser apes, while the organgutans, gorillas, chimpanzees and all intermediate species up to Homo habilis are known as the great apes, and only those arising from Homo ergaster are to be known as humans. So what are the observations of signficance in the evolution of these primates. What were the mechanisms of their existence and extinctions? This section of the blog will examine the science behind these issues.

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