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In Science class, we were taught that Earth's oxygen is a product of photosynthesis, and at least half of it comes from the ocean. According to scientists, oxygen rise occurred when eukaryotic ecosystems expanded.
Get latest articles and stories on Science at LatestLY. The question which always intrigues astronomers is, when did the Earth reach oxygen levels sufficient to support animal life? Researchers from McGill University have discovered that a rise in oxygen levels occurred in step with the evolution and expansion of complex, eukaryotic ecosystems. Science News | Study Finds What Rise of Oxygen on Early Earth Reveals About Life on Other Planets.
The question which always intrigues astronomers is, when did the Earth reach oxygen levels sufficient to support animal life? Researchers from McGill University have discovered that a rise in oxygen levels occurred in step with the evolution and expansion of complex, eukaryotic ecosystems.
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Image by Devon Cole. When did the Earth reach oxygen levels sufficient to support animal life? Researchers from McGill University have discovered that