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    Exam 25: Bacteria, Archaea, and Viruses
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    Which Group of Prokaryotes Was Responsible for Converting Earth's Early
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Which Group of Prokaryotes Was Responsible for Converting Earth's Early

Question 204

Question 204

Multiple Choice

Which group of prokaryotes was responsible for converting Earth's early atmosphere from an anaerobic to an aerobic environment?


A) Proteobacteria
B) Halophiles
C) Cyanobacteria
D) Spirochetes
E) Actinobacteria

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