WTN13

7+ Year Member
Nov 7, 2012
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Does anyone know what is responsible for Oxygen creation in the early atmosphere? I thought Orgoman said it was heterotrophs?! I can't find an obvious answer googling.

Thanks!
 

x0jessmariex3

2+ Year Member
Jul 23, 2015
278
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Pre-Dental
It is autotrophs because autotrophic organisms converted light energy to usable energy and O2, like present day plants. O2 then allowed more complex organisms to develop.
 
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lorazepam

2+ Year Member
Jul 25, 2015
20
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Dental Student
Yeah I think its photosynthesis by autotrophic organisms. After the atmosphere was converted from a reducing one to an oxidizing one, chemical evolution ended. Lol
 
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