What major event marked the end of the Precambrian era? | Cheap Nursing Papers

What major event marked the end of the Precambrian era?

The Cambrian Explosion

About 544 million years ago, many life forms started appearing within a short portion of time. Paleontologists call the event the Cambrian Explosion. No, it wasn’t a real explosion. This new leap in life forms marked the end of era, and the beginning of the Paleozoic era, and the Cambrian Period.

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