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Scientists do not know how life began on Earth. They do know that the early Earth's atmosphere was very different from the atmosphere now. In 1952, Stanley Miller was working with Harold C. Urey designed an experiment to see how complex organic molecules might have formed under the conditions of early Earth.
1 Sep 2016 Indeed, some scientists think life appeared the moment our planet's contain high amounts of a form of carbon typically used in biological processes. But despite knowing approximately when life first appeared on Earth,
Instead life almost certainly originated in a series of small steps, each have been synthesized in the atmosphere of early Earth and rained down into the oceans. This ability probably first evolved in the form of an RNA self-replicator — an
How Did Life First Appear The fact that life began on earth is just a natural consequence of the known fundamental laws of chemistry and physics. Life was
31 Oct 2016 Eventually the Earth cooled enough for water vapour to condense into liquid water, and the first rain fell. Oparin supposed that the molecules central to life, like sugars and amino acids, could all have formed in Earth's waters. Second, some of the chemicals began to form microscopic structures.
1 Jul 2004 Earth. How did life get going on Earth? "The short answer is we really don't know," Knoll What do you think was the first form of life? It's pretty
The greatest resource on the Internet to begin the search for the meaning and origin of Life.
Evolution has taken place over millions of years and is responsible for all the living things on Earth today. There are different views and theories about the origin
10 Sep 2011 How and why did we get here? For nearly the first billion years of formation (4.5 to 3.8 billion years ago) Earth's initial life forms were bacteria, which could survive in the highly toxic atmosphere that existed during this time.
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