国家地理纪录片《恐龙大揭密Dinosaurs.Decoded》

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National Geographic reviews Jack Horner’s research into juvenile dinosaurs. His evidence suggests that juvenile dinosaurs looked sufficiently different from adults that they have sometimes been mistaken for a separate species. The program examines specific changes that occurred as dinosaurs aged and speculates on why the changes were necessary. New evidence has paleontologists questioning whether a third of all dinosaur species ever existed. Could some discoveries once thought to be distinct species, in fact, be the same species at different stages of development? National Geographic joins famed paleontologists—including Jack Horner, a contributing expert to the Jurassic Park films—who are challenging the long held belief that young dinosaurs looked like miniature versions of their parents.

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