Newsweek |
How Did Animals Evolve? Ancient Species Survived Without Oxygen
Newsweek There is some debate among scientists about what the earliest animals were. Some have suggested they were similar to modern comb-jellies, but a study published in December 2017 suggested that the creature closest to the root of the animal tree of life ... Animals Originated Before Earth's Atmosphere, Oceans Were Rich In Oxygen |
Friday, January 5, 2018
How Did Animals Evolve? Ancient Species Survived Without Oxygen - Newsweek
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