Plot Summary: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.
kyuunen • 恐龙也得靠颜值啊
1.与人们一般认知不同，不同年龄段的恐龙可能形态各异，恐龙种类可能会减少三分之一 2.三角龙幼崽的角是向上弯曲，而成年三角龙的角是向下弯曲，褶皱也不一样 3.肿头龙、冥河龙和霍格沃兹龙王龙不是三种物种...