-
1 BCE
Earth is Formed
4.6 billion years ago the Earth Forms due to collisions. -
1 BCE
Pangea Forms
270 million years ago Pangea forms due to the movement of Earth's tectonic plates. -
1 BCE
Pangea Breaks Up
200 Million Years ago Pangea breaks up and forms the continents we have today! -
1 BCE
1st Multicellular Life
3 - 3.5 billion years ago was when scientists first spotted multicellular organisms. -
1 BCE
1st Eukaryote
1.6-2.5 Billion Years ago is when the first Eukaryotic organism was spotted on the Earth. -
1 BCE
1st Homo sapiens
200,000 years ago is when the first homo sapiens were on the Earth. -
1 BCE
5 Major Mass Extinctions
Ordovician-Silurian mass extinction. ...
Late Devonian mass extinction. ...
Permian mass extinction. ...
Triassic-Jurassic mass extinction. ...
Cretaceous-Tertiary mass extinction. 488 million years ago -
Period: 1 BCE to
Oxygen Enters Atmosphere
2.4 billion years ago (27th photo http://www.gambassa.com/public/project/4450/JordanandTarek'stimeline.html ) -
Period: 1 BCE to
1st Forms of Life
2.5 - 3.8 billion years ago http://www.actionbioscience.org/evolution/jeffares_poole.html
(First photo) The first forms of life weren't human. Some were exterrestrial life.