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Mini Research Project: Geological Time
Jessica Urrutia
Created on February 17, 2023
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Transcript
The planet began to cool down in this Eon and was able to form a stable climate due to the release of oxygen into the atmostphere.
Proterozoic Eon
Hadean Eon
The world during the Archean Eon at first was primarily filled with microscopic life. The atomstphere was made up of mostly nitrogen, with water vapor, carbon dioxide, and methane. Photosynthesizers began to show up in the form of bateria such as, Cyanobacteria, and Halobacteria. They used the sun's energy to convert CO2 and water into food, releasing oxygen waste. This release of oxygen changed the chemical balance of the entire biosphere.
Name: Greek word for 'Origin'
Known For: 1st Signs of Life
Chronological Unit: Eon
Occured: 4-2.5 Billion Years Ago
MAJOR EVERTS
FUN FACTS
THE WORLD AT THIS TIME
Climate:
Following Eon:
Preceding Eon:
ARCHEAN EON