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4500 BCE
4.5 Billion Years Ago
Comets were forming the Earth, Earth forms molten -
4400 BCE
4.4 BYA
As time passes the Earth starts to solidify and cool down slowly -
4400 BCE
4.4 BYA
The earth starts to solidify and slowly cool down -
541 BCE
Cambrian Earth- 541 MYA
The Cambrian period was the first geological period of the paleozoic era, it was a cold era but the as time moved on the earth got warmer and glaciers started to melt. -
485 BCE
ordovician period
The second of the six periods. Spans 41.6 million years. this period was ended with the Ordovician-silurian extinction event about 443 mya -
443 BCE
Silurian
Geologic time period and system spanning 24.6 million years from the end of the ordovician period. It is the shortest period in the paleozoic era. The animals that lived in this era was mainly animals that live in such as coral. this Era there was a widespread radiation of crinoids -
419 BCE
Devonian Period
It was the age of fishes as well as alligators come to exist. There were also armored fish that came into existence -
299 BCE
Permain Period
During this period occurred the largest mass extinction on earth due to volcanic eruptions -
251 BCE
Triassic period
First period of the mesozoic era, It followed the mass extinction and life outside of the sea begins to grow and diversify -
201 BCE
Jurassic Period
The Jurassic Period was the time of Herbivore dinosaurs and plants and palm trees -
145 BCE
Cretaceous Period
One of the last three periods of the mesozoic era, known for the extinction of the dinosaurs, a relatively warm climate with small reptiles with small oceans and seas with dinosaurs dominating the land -
66 BCE
Tertiary Period
interval of geologic time during the Cenozoic Era, Gradual creation of south and west africa, Evolution of animals such as rhinos and birds and more modern animals -
2 BCE
Quatemary
Most recent geologic time period involved drastic climate changes and when the seas and lands were forming into what we know today. as well as the evolution of humans -
358
Carboniferous
During this period. it is known that many forests and swamps had formed in this era