Time since the end of the Precambrian supereon, explosion of life forms

Time since the end of the Precambrian supereon, explosion of life forms (541 million y)

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If Time since the end of the Precambrian supereon, explosion of life forms (541 million y) was a standard unit ...

Time since the start of the last glacial period (Ice Age) (110,000 y)...more would be 1/5000 of Time since the end of the Precambrian supereon, explosion of life forms