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Home Q & A Board Biology-Related Homework Help General Biology
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chrystalhdz chrystalhdz
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6 years ago
The endomembrane system did not start developing
  until the atmosphere was
  a. high oxygen, high carbon dioxide.
  b. high hydrogen, low oxygen.
  c. changing from low oxygen to high oxygen.
  d. firmly in the age of aerobes.
  e. all of these.

Question 2

During the first major divergence of life the
  atmosphere was
  a. high oxygen, high carbon dioxide.
  b. high hydrogen, low oxygen.
  c. changing from anaerobic to aerobic.
  d. firmly in the age of aerobes.
  e. all of these.
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bible327bible327
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#1
6 years ago
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chrystalhdz Author
wrote...
#2
6 years ago
I just wanted to write to say thanks a bunch for the answer!
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