The movie opens with footage from 1990's Jurassic Park II and Jurassic Park III that illustrate how dinosaurs lived long ago and lived far apart from each other. Later in the movie we learn how dinosaurs evolved into dinosaurs like Tyrannosaurus Rex and Velociraptor and eventually dinosaurs evolved into dinosaurs like Tyrannosaurus Rex and Tyrannosaurus Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex Rex