Life in the World's Oceans Episode 13, The Evolutionary History of Whales Episode 13, The Evolutionary History of Whales.
Streaming video - 2018
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, they have five separate lineages and no single common ancestor.
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- Education films
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[San Francisco, California, USA] :
The Great Courses
2018.
2023. - Language
- English
- Other Authors
- ,
- Online Access
- A Kanopy streaming video
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- Title from title frames.
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In Process Record. - Physical Description
- 1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
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- Mode of access: World Wide Web.
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- AVAILABLE FOR USE ONLY BY IOWA CITY AND RESIDENTS OF THE CONTRACTING GOVERNMENTS OF JOHNSON COUNTY, UNIVERSITY HEIGHTS, HILLS, AND LONE TREE (IA).