Dinosaurs died out animals that lived on Earth in the period from 225 to 65 million years ago.Some dinosaurs had social behavior.According to one hypothesis, dinosaurs became extinct as a result of global cataclysm
1. One type of extinct creatures are dinosaurs. 2. The study of these extinct individuals is carried out by paleontologists. 3. Dinosaurs - one of the largest ever existed on Earth creatures. 4. Despite the fact that in drawings and movies dinosaurs are depicted in a variety of colors, scientists do not know what color the skin of a dinosaur had. 5. The length of the largest dinosaur reached 35 meters. 6. Dinosaurs died out at the end of the Cretaceous - early Tertiary period. 7. Extinction of the dinosaur is still considered one of the most interesting unsolved mysteries on the planet. 8. The smallest adult dinosaur representative was the size of a chicken.
