Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to suffocatingly oxygen-free (anoxic) at night, which slows you down. Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to suffocatingly oxygen-free (anoxic) at night, which slows you down. Evolution Molecular & Computational biology Phys.org – latest science and technology news stories
How dramatic daily swings in oxygen shaped early animal life
