1 Jan 540203181 Jahr v. Chr. - Paleozoic Era begins

Beschreibung:

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.

Zugefügt zum Band der Zeit:

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