Refer to the following events that have occurred during the Precambrian era.

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prebiotic (before life) formation of organic monomers
first accumulation of oxygen in the atmosphere as a result of the activity of cyanobacteria
first prokaryotic cells appeared on the Earth
origin of organic polymers
origin of eukaryotes
Which of the following indicates the most likely chronological order of events indicated above?
    1, 2, 3, 4, 5
    2, 1, 5, 4, 3
    2, 4, 5, 3, 1
    1, 4, 3, 2, 5
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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1, 4, 3, 2, 5
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)



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