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Six big events of human evolution, in order bipedalism (6 MYA) nonhoning chewing (5.5 MYA) speech (2.5 MYA) material culture and tools (2.5 MYA) hunting (1 MYA) domesticated food (11,000 years) Data evidence gathered to help answer questions, solve problems, and fill gaps in scientific knowledge
While Haeckel's tree is somewhat outdated, it illustrates clearly the principles that more complex modern reconstructions can obscure. The timeline of human evolution outlines the major events in the development of the human species, Homo sapiens, and the evolution of our ancestors. It includes brief explanations of some of the species, genera, and the higher ranks of taxa that are seen today as possible ancestors of modern humans.