The Innovating Science Geological Time Scale shows major evolutionary events starting from the Earthâ€™s formation 4.56 billion years ago through to the present. The timescale denotes major extinctions, rock formations, and the first emergence of various lifeforms along a color-coded scale separated by era and period. Fantastic for use as a reference or an educational tool in the classroom. The poster measures 21â€x34â€ and is printed on premium 100# paper.
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