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    Principles of Biology
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    Exam 22: Microorganisms: The Archaea, Bacteria, and Protists
  5. Question
    The Atmosphere and Seas of the Early Earth Lacked Oxygen
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The Atmosphere and Seas of the Early Earth Lacked Oxygen

Question 38

Question 38

Multiple Choice

The atmosphere and seas of the early Earth lacked oxygen.What kind of organisms could NOT have lived under those conditions?


A) obligate aerobes
B) obligate anaerobes
C) facultative anaerobes
D) chemoautotrophs
E) cyanobacteria

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