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24 de dez. de 2021 · Watch the first episode of the acclaimed series that traces the evolution of life on Earth, hosted by David Attenborough. Learn about the origins of life, the diversity of organisms, and the challenges they face today.
- 703 min
The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day.
19 de set. de 2022 · Learn about the mysteries and theories of how life emerged on our planet, from the Miller-Urey experiment to the role of water and carbon. Explore the possible scenarios of where and when life began, and the challenges of finding evidence in ancient rocks.
Life - Evolution, History, Earth: The evidence is overwhelming that all life on Earth has evolved from common ancestors in an unbroken chain since its origin. Darwin’s principle of evolution is summarized by the following facts.
Life on Earth has existed for at least 3.5 billion years, with the oldest physical traces of life dating back 3.7 billion years. Estimates from molecular clocks, as summarized in the TimeTree public database, place the origin of life around 4.0 billion years ago.
16 de out. de 2023 · Thirty years ago, Carl Sagan convinced NASA to use Galileo to look for life on Earth from space. The experiment revealed how to detect biosignatures and changed how we search for life elsewhere.
The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence, mainly fossils.
