Mesozoic Era Major Events
A major event during the Triassic Period was dinosaurs began to appear. They appeared in many places and evolved into many different forms. During the Jurassic Period, dinosaurs evolved and started to dominate the Earth and become the most powerful life forms at that time. Birds also adapt with wings and start to fly. The great supercontinent called Pangea starts to break up into separate continents. Laurasia, the northern half of the supercontinent, broke into two separate pieces called North America and Eurasia. Gondwana, the southern half of the supercontinent, started to break by the middle of the Jurassic Period. There was an eastern half and a western half. The eastern half included Antarctica, Madagascar, India, and Australia. The western half included Africa and South America. The eastern half split from the western half and new oceans formed in between the two portions. Mountains started to form which pushed the sea levels higher and onto the separate continents. During the Cretaceous Period, more plants grow and vary so many dinosaurs start eating plants and become herbivores. Also, the dinosaurs go extinct all of a sudden because of a catastrophic event, most of the scientists believe that climate change it was caused these dominant species to go extinct.