1 jan 540203181 ano antes da era comum - Paleozoic Era begins
Descrição:
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.
Adicionado na linha do tempo:
the eras!!!
yes
Data:
