Oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" one billion years ago, creating conditions that could have accelerated the development of early animal life, according to new research.
According to new research, oxygen levels in the Earth s atmosphere are likely to have fluctuated wildly one billion years ago, creating conditions that could have accelerated the development of early animal life.
A new research has shed light on one of the reasons why animal evolution accelerated millions of years ago and according to scientists it is the wild fluctuations in the oxygen levels a billion years ago that could be held responsible.