User:Jamescoolcrafter15
Prehistoric life is life that is from the prehistoric times. Some prehistoric creatures such as the Tasmanian tiger were extinct in history. A bunch of creatures are still alive but allot have died out. When a creature dies out fully it is called a extinction.
Archaea[edit]
These are single celled life simple life forms similar to bacteria. The age of earth is about 4.54 billion years old. Scientific evidence suggests that life appeared about 3.5 billion years ago. Some of those simple life forms were archaea. These were one of the first life forms. They may not be popular in prehistoric life but they are important.