有关恐龙(三角龙)的ppt.ppt

Let us go back to the late CretaceousTriceratops Brief introduction Body length of 9 meters, weight 6 tons, living during the late Cretaceous (70000000 -6500 million years ago), is a herbivorous animal, mainly distributed in North America. Dinosaur of the genus Triceratops herbivorous name Triceratops Ornithischia Ceratopsia angle Longke the genus of fossil found in the late Cretaceous to late Maastrichtian stage of formation of the North America about 68000000 years ago to 65000000 years ago.Triceratops is the late dinosaurs are often used as one of the representatives of the late Cretaceous fossil. There are two valid species Triceratops horridus, T. prorsus but there are other genus is named.The dragon is the most famous one of the dinosaurs is in popular culture is very popular in the dinosaur.General knowledge The dragon is a short pleated leaves Ceratopsia, build strong to protect themselves, about 6-10 meters long, 2.9 meters high, weighing about 6 tons, it belongs to the large dragon.Its two places on the cusp of about one hundred and two cm long, third extending from the nose after the angle is relatively short and thick.Almost certainly, Triceratops was enraged would rush out to 12 tons weight, up to fifteen kilometers per hour.Fossils For a long time, the dragon was that could use angle and the head shield, fighting to predators and similar Tyrannosaurus; this concept first proposed by Charles Sternberg in 1917, and again after 70 years proposed by Robert Barker.There is evidence to Triceratops, Tyrannosaurus eat, scalloped Tyrannosaurus found a Triceratops pelvis, and healing, display the wound is left in the animal survival time.Triceratops horns is actually very fragile, easily broken.About Fights One of the most famous Triceratops dinosaurs in popular culture, is also very popular dinosaur. Although the Triceratops and Tyrannosaurus lived in the same land, and according to the newly discovered fossils show, Tyrannosaurus Rex and were really fights.Long Long Ago Rhinoceros horn is composed of skin, and Triceratops horns is solid bones grow, so there may be destructive.Triceratops has evolved a tank shape, is one of the strongest, herbivorous dinosaur Tyrannosaurus Rex, dare not easily prey on them, an adult Triceratops can overcome an adult Tyrannosaurus or adult t-rex.Why the dinosaurs died out? Why the dinosaurs died out? I think this problem is worth thinking about. I collected a set about the extinction of the dinosaurs. Let us look at them.The extinction of the dinosaur worldAll the dinosaurs to be confound atToward EarthDespair of the DinosaursIn ruinsThis is the extinction of the DinosaursThanks for watching。