Paleozonic Era
Known as the "Age of fish"
What is...the devonian Period
Also known as "Age of Reptiles"?
What is...the jurassic Period?
What is...Cenozoic Era?
This time covers most of Earth's history.
What is...Precambrian era?
Largest mass extinction on the history of Earth happened in this period.
Mass extinction that made all dinosaurs extinct?
What is...cretceous-paleogene extinction?
Ice age happned during this period.
What is...Plesitocene?
First single -celled organism appeared in this time?
What is...Archean?
First emersion of Land plants appeared during this period.
What is...the silurian Period.
What is... conifers?
Period where humans first appeared?
What is...Holocene?
Oxygen built up in the atmosphere during this event.
What is...the great oxidation event?
What is...marine invertebrates?
One of the oldest dinoasurs to be discovered?
What is...Eoraptor?
Species of animals that0 ruled after dinosaurs went extinct?
What is... Mammals.
The rocks that show evidence of Earths earliest crust?
What is... zircon crystals?
The name of the supercontinent that began to form in the later time of this era?
What is...Pangaea?
Flying dinosaur that lived during this era?
What is...pterosaur?
What is... the himalayas?
Climate during this period was mostly volcanic activity and the atmosphere lacked this gas?
What is...oxygen.