1 янв 540203181 г. до нашей эры - Paleozoic Era begins
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Begins with the Cambrian explosion - this diversifies marine life. This is the era in which the greatest extinction event in Earth's history occurs - Thomas told us in class that this is when 3% of all life survived, and that small 3% is what all modern life stemmed from.Добавлено на ленту времени:
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