Geology Fun Fact
Early Life.
The Phanerozoic Eon is the time period consisting of the last 540 million years and means “Visible life”. Although originally thought to correspond with the evolution of life it is now known to represent the evolution of hard parts (like shells). Life truly evolved over 3.2 Ga (billion years ago) and possibly even as early as 3.85 Ga.
The Phanerozoic Eon is the time period consisting of the last 540 million years and means “Visible life”. Although originally thought to correspond with the evolution of life it is now known to represent the evolution of hard parts (like shells). Life truly evolved over 3.2 Ga (billion years ago) and possibly even as early as 3.85 Ga.
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