Early evolution of primates
The evolutionary history of primates can be traced back 65 million years. One of the oldest known primate-like mammal species, the Plesiadapis, came from North America; another, 展开

Since Homo sapiens separated from its last common ancestor shared with chimpanzees, human evolution is characterized by a number of 展开

Anthropologists describe modern human behavior to include cultural and behavioral traits such as specialization of tools, use of jewellery and images (such as cave drawings), organization of … 展开

Before Darwin
The name Homo of the biological genus to which humans belong is Latin for 'human'. It was chosen originally by Carl Linnaeus in his classification … 展开

The earliest documented representative of the genus Homo is Homo habilis, which evolved around 2.8 million years ago, and is arguably the earliest species for which there is positive evidence of the use of stone tools. The brains of these early hominins were about the … 展开

The use of tools has been interpreted as a sign of intelligence, and it has been theorized that tool use may have stimulated certain aspects … 展开

Anatomically modern human populations continue to evolve, as they are affected by both natural selection and genetic drift. Although selection pressure on some traits, such as resistance … 展开