Open AccessAncient Start of Animal Evolution Wasn't Delayed by Low Oxygen
Author(s) -
Cody Sullivan
Publication year - 2016
Publication title -
eos
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2016eo043301
Subject(s) - oxygen , history , chemistry , organic chemistry
New research finds that Earth had sufficient oxygen 1.4 billion years ago for animals to evolve. Therefore, low oxygen levels probably didn't hold back evolution, as scientists have long thought.