According to a group of scientists, they have found evidence that complex life could have appeared on Earth 1.5 billion years earlier than we currently know. The researchers, led by Professor Ernest Che Frou, are examining rock samples in Franceville, Gabon, which show that conditions for animal life existed 2.1 billion years ago.
Not everyone currently accepts the new position, with the consensus being that more complex life forms emerged only 635 million years ago. According to Graham Shields, a professor at University College London, this discovery may not yield the expected results, but it does not contradict the fact that complex life appeared much earlier than previous discoveries.
It's a continuation of research from 10 years ago, which began by examining the Franceville Formation. According to Chi Fro and colleagues, the early life forms resembled so-called slime molds, but were able to move on their own. Their habitat was a body of water separated from the ocean by the convergence of rocky plates in the area, from which they probably never emerged – so life didn't spread much on the first try.
and about BBC According to the professor, conditions in the separate body of water were suitable for photosynthesis, allowing single-celled life forms to grow into complexes – and this may be the explanation for the fossils found in Gabon.
Nothing rules out the possibility of complex biological life emerging even two billion years ago.
– He added, but he also admitted that a lot of evidence is needed.
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