Recent research has demonstrated that the assumption that higher oxygen levels were necessary for the emergence of multicellular life on Earth may not be accurate. Scientists at the University of Cambridge have discovered that concentrations of oxygen in the Earth’s atmosphere were too low to sustain the development of multicellular life over 800 million years ago. The findings suggest that other factors may have been responsible for the emergence of such life on Earth.

For centuries, scientists have believed that the presence of oxygen in the atmosphere was a prerequisite for the development of multicellular life on Earth. However, a new study conducted by the University of Cambridge has upended this assumption. The research team has discovered that oxygen levels in the Earth’s atmosphere 800 million years ago were too low to support the development of multicellular life. These findings suggest that other environmental factors were likely responsible for the emergence of such life on Earth. Further research is needed to uncover exactly which factors were at play.

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source: Phys.org