1. FALCON FOCUS

2. Geologic Time Scale *Eras are broken up into Periods
*Periods can be broken up into Epochs
*Geologic time HAS NOT ENDED

3. The Precambrian Era!
By Kahli Veys

4. THE Precambrian ERA!
The Precambrian era began with the formation of Earth,
4.6 billion years ago and lasted until about 500 million years ago.
Precambrian is the name given to the EARLIEST span of time in Earth history.

5. If we represent Earth’s history on a 24 hour clock…
= Precambrian era

6. What Happened During the Precambrian Era?
Earth formed
Life began
First tectonic plates arose and began to move
Atmosphere became filled with oxygen
Just before the end of Precambrian, complex multicellular organisms, including the first animals, evolved.