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  1. History of life - Wikipedia

    The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day.

  2. Timeline of the Evolution of Life on Earth

    Apr 7, 2025 · The evolution of life on Earth is a vast and intricate journey that has unfolded over billions of years, shaped by dramatic shifts in the environment, genetic changes, and the ever-present force …

  3. Life - Evolution, History, Earth | Britannica

    Dec 13, 2025 · All life tends to increase: more organisms are conceived, born, hatched, germinated from seed, sprouted from spores, or produced by cell division (or other means) than can possibly survive. …

  4. Timeline: Evolution of Life on Earth – Past, Present & Future

    Below is a detailed chronological timeline highlighting the major milestones in the evolution of life on Earth – from the first signs of life in ancient oceans to projected future events like synthetic …

  5. Evolution of Life: Natural Selection, Human Evolution, Extinctions

    Nov 10, 2023 · The story of evolution is a captivating journey that spans billions of years, marked by key milestones and events that have shaped the incredible diversity of life on Earth.

  6. How did life originate? - Understanding Evolution

    Thus, the ability to copy the molecules that encode genetic information is a key step in the origin of life — without it, life could not exist. This ability probably first evolved in the form of an RNA self …

  7. Timeline of life - Wikipedia

    The timeline of life represents the current scientific theory outlining the major events during the development of life on Earth. Dates in this article are consensus estimates based on scientific …

  8. Evolution of Life - CK-12 Foundation

    Dec 1, 2025 · Evolution explains how living things are changing today and how modern living things have descended from ancient life forms that no longer exist on Earth. As living things evolve, they …

  9. Timeline 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

  10. The Evolution of Life: From Single Cells to Complex Organisms

    Jul 28, 2025 · Though only a recent branch in the tree of life, humanity’s rise was made possible by billions of years of prior evolution—from simple molecules, to microbes, to multicellular organisms, to …