A New History of Life
Getting a Backbone—The Story of Vertebrates (1520x19)
Air date: Jan 01, 2013
Search for the earliest vertebrates, which arose from chordates—animals with a rod-shaped notochord. Also probe the mystery of an extinct chordate called the conodont, which is valuable in oil exploration. Finally, discover why we have calcium phosphate skeletons.
- Premiered: Jan 2013
- Episodes: 36
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