10-29-08 Origin of Metabolism - Origin of Metabolism(Stromatolites What was the earliest life and where did it get its energy I Geological stratigraphy

10-29-08 Origin of Metabolism - Origin of...

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Origin of Metabolism (Stromatolites)What was the earliest life and where did it get its energy? ii. Formed by blue green algae b. Recognized by their layered appearance c. Some are huge d. Bill Schopf, a professor at UCLA, found microfossils in ancient stromatolites (apex chert in Western Australia) and suggested that they had been cyanobacteria (oxygen- producing, photosynthetic bacteria). e. The fossils can be compared to micrographs of real cyanobacteria f. Martin Brasier, from oxford university asserts that schopf’s microfossils are inorganic carbonaceous precipitates g.

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