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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. [69] [70] Estimates from molecular clocks, as summarized in the TimeTree public database, place the origin of life around 4.0 billion years ago. [71]
Life on Earth: A Natural History by David Attenborough is a British television natural history series made by the BBC in association with Warner Bros. Television and Reiner Moritz Productions. It was transmitted in the UK from 16 January 1979.
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.
Sep 19, 2022 · The origin of life on Earth stands as one of the great mysteries of science. Various answers have been proposed, all of which remain unverified. To find out if we are alone in the galaxy, we will need to better understand what geochemical conditions nurtured the first life forms.
Dec 24, 2021 · Life on Earth: A Natural History by David Attenborough is a British television natural history series made by the BBC in association with Warner Bros. and Reiner Moritz Productions. It was transmitted in the UK from 16 January 1979.
