-
-
The Cambrian had an abundant amount of marine organisms. The earth was a waterworld.All life was marine and not on land.
-
Complex marine life on this water world.
Many volcanoes erupting caused mass extinction, killing off most of life. -
First land creatures were moss-like plants that thrived around lakes and rivers.
Marine life continued to become more diverse. -
More diversity in marine life.
First species grew legs in order to move on land.
Plants grew true roots and developed seeds in order to spread themselves. -
Coal was formed globaly during Carboniferous.
Amphibians dominated the lands.
Continents thrashed together to form Pangea -
All the continents are combined, forming Pangea.
Life continued to exist in harmony.
Ended with the largest mass extinction where 90% of marine life died along with 70% of land life to die. -
Archosaurs dominated the land.
First flying creatures introduced.
Climate became more more humid as continent broke apart. -
"Age of the Dinosaurs"
Dinosaurs dominated the land
Continents split up moving where one part moved north and the other moved south.
Ended with a meteor hitting earth, creating toxic gas that spread throughout the world. -
The continents were already breaking apart and the dinosaurs continued to roam around. The first flowering trees developed. A giant meteor hit the earth causing toxins to make the surface unbreathable, killing all the dinosaurs and pretty much everything else.
-
The species that survived the meteor crash that ended the dinosaurs were about to experience the global cooling. mammals and birds were the dominate species. As temperatures dropped, so did sea level. This opened up land bridges that connected the continents. Ended with the Ice Age
-
Age of Humans. As Ice Ages happened, mammals developed fur to fend off the cold. The First humans to appear were the Homo Erectus. The Globe suffered between Global Cooling and Global Warming.
