Life in the World's Oceans. Episode 13, The Evolutionary History of Whales

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Current format, Streaming Video, 2018, Available.
Current format, Streaming Video, 2018, Available. Offered in 0 more formats
Marine mammals did not evolve from marine species. Rather, they evolved from land mammals who found a plethora of "suddenly" open ecological niches when the dinosaurs became extinct. Today's marine mammals might resemble each other because convergent evolution has led to similar adaptation. But best as scientists can tell,…

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