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  1. www.smithsonianmag.com › science-nature › essentialAn Evolutionary Timeline of Homo Sapiens | Smithsonian

    Feb 2, 2021 · The long evolutionary journey that created modern humans began with a single step—or more accurately—with the ability to walk on two legs. One of our earliest-known ancestors, Sahelanthropus ...

    • Brian Handwerk

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  3. www.britannica.com › science › human-evolutionHuman evolution | History, Stages, Timeline, Tree, Chart ...

    Oct 21, 2024 · human evolution, the process by which human beings developed on Earth from now-extinct primates. Viewed zoologically, we humans are Homo sapiens, a culture -bearing upright-walking species that lives on the ground and very likely first evolved in Africa about 315,000 years ago.

  4. en.wikipedia.org › wiki › Timeline_of_theTimeline of the evolutionary history of life - Wikipedia

    The Phanerozoic Eon (Greek: period of well-displayed life) marks the appearance in the fossil record of abundant, shell-forming and/or trace-making organisms. It is subdivided into three eras, the Paleozoic , Mesozoic and Cenozoic , with major mass extinctions at division points.

  5. humanorigins.si.edu › introduction-human-evolutionIntroduction to Human Evolution | The Smithsonian Institution ...

    Jul 9, 2024 · Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years.

  6. en.wikipedia.org › wiki › History_of_evolutionaryHistory of evolutionary thought - Wikipedia

    The gene-centred view of evolution rose to prominence in the 1960s, followed by the neutral theory of molecular evolution, sparking debates over adaptationism, the unit of selection, and the relative importance of genetic drift versus natural selection as causes of evolution. [2]

  7. humanorigins.si.edu › research › age-humansThe Age of Humans: Evolutionary Perspectives on the ...

    Jan 3, 2024 · Hominins first appear by around 6 million years ago, in the Miocene epoch, which ended about 5.3 million years ago. Our evolutionary path takes us through the Pliocene, the Pleistocene, and finally into the Holocene, starting about 12,000 years ago. The Anthropocene would follow the Holocene.

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  9. www.newscientist.com › article › dn17453-timelineTimeline of the evolution of life on Earth - New Scientist

    Jul 14, 2009 · The story of evolution spans over 3 billion years and shows how microscopic single-celled organisms transformed Earth and gave rise to complex organisms like animals

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