Sökning: "Great Oxygenation Event"

Hittade 1 uppsats innehållade orden Great Oxygenation Event.

  1. 1. Changes in Arsenic Levels in the Precambrian Oceans in Relation to the Upcome of Free Oxygen

    Master-uppsats, Paleobiologi

    Författare :Emma Arvestål; [2013]
    Nyckelord :Arsenic; Precambrian; ocean chemistry; Great Oxygenation Event; GOE; evolution of multicellularity;

    Sammanfattning : Life on Earth could have existed already 3.8 Ga ago, and yet, more complex, multicellular life did not evolve until over three billion years later, about 700 Ma ago. LÄS MER