University of Washington: How Oxygen Made the Deep Ocean Home to Animals, Spurring Rapid Evolution
August 26, 2025
August 26, 2025
SEATTLE, Washington, Aug. 26 (TNSjou) -- The University of Washington issued the following news release:
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How oxygen made the deep ocean home to animals, spurring rapid evolution
Millions of years ago, the deep ocean was largely devoid of oxygen and thus inhospitable to many lifeforms. Now, the same dark zones host an array of marine mammals and fish. Researchers once speculated that this habitat expansion followed a great oxygenation event more than 5 . . .
* * *
How oxygen made the deep ocean home to animals, spurring rapid evolution
Millions of years ago, the deep ocean was largely devoid of oxygen and thus inhospitable to many lifeforms. Now, the same dark zones host an array of marine mammals and fish. Researchers once speculated that this habitat expansion followed a great oxygenation event more than 5 . . .