The earliest epoch of all.
The first animals, protist and earliest fungus appeared.
Bacterias and Archaeas were common in this epoch.
The first Eukaryotes appeared in the Proterozoic.
Eras in the Precambrian
- Proterozoic - First animals, protist and the earliest fungus appeared which are Eukaryotes
- Archean - First ice and Archeas
- Headean - Earth was covered in lava, and the first bacteria