1 billion years ago · approximate date
Many cells become one
Cells begin to cooperate as the first multicellular bodies.
Groups of cells started to specialise and live as a single body. They were soft and simple, and left few fossils, so the earliest dates keep moving as new ones are found.
- Period
- Proterozoic
- Earth's history already passed
- 77.9736 percent
- 4.54 kilometres
- 1 kilometres from the end
- One day
- 18:42:49
- One year
- October 12, 14:29
Source: Smithsonian Institution · Source to be verified