Saturday, August 2, 2014

Origin of life on earth: biodiversity was already there 2.1 billion years!

Origin of life on earth: biodiversity was already there 2.1 billion years!
The Point.fr - Published 04/07/2014 at 06:24 - Amended 04/07/2014 at 07:43
Fossils discovered in Gabon testify to the existence of the oldest ecosystem, composed of complex organisms not listed.

These fossils of multicellular organisms discovered in Gabon, are older than 2.1 billion years.
These fossils of multicellular organisms discovered in Gabon, are older than 2.1 billion years. © El Albani / CNRS / PLoS One

By CHLOE DURAND-PARENTI

Highlights of Point.fr
The announcement of the discovery, in July 2010, in the prestigious journal Nature had already caused a stir. Fossils of macroscopic organisms, multicellular old 2.1 billion years, while one

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was far back the appearance of complex living just 600 million years (Ediacaran fossils from the site Australia ), it was hard. A little too much even for some who were skeptical, especially since we had never listed similar that existed during the long period - 1.5 billion years - between the two dates.

Four years later, it is yet more doubtful. The international team of researchers led by geologist El Albani (University of Poitiers / CNRS), consisting of fifty scientists and several sizes, just to confirm and clarify, in the journal Plos One , the exact nature the exceptional discovery. And not only is relatively complex multicellular organisms, but in addition, the Gabon fossils, unearthed in clays Bay Franceville - an area quite exceptional for finding primitive life as tectonic plates did not remodeled - testify to the existence of a genuine biodiversity.

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