Dinosaurs

1. Dinosaurs By: Angel Peralta

2. Objective • To gain an understanding of what life was like for dinosaurs. • Learn about the most dominant dinosaur. • To learn how and why dinosaurs do not exist today. • Question? • Why do you think we are learning about dinosaurs?

3. Overview of Dinosaurs • Dinosaur means “Terrible, powerful, wondrous, Lizards. • Dinosaurs were the dominant animals for over 160 million years • The discovery of the dinosaur was done so because of fossil findings across the world • Question? • Why are dinosaurs so important to archaeologists(the people who search for fossils)?

4. The King of the Dinosaurs • The T-rex was regarded as the biggest and meanest of all the dinosaurs. • Fossils of the T-rex have been found and dated back to 68 million years ago. • It was the largest known Tyrannosaurid and one of the largest known land predators. • Some of the T-rex’s measured up to 43 feet high • This is why the T-rex was known as the King of Dinosaurs • Question? Why do you think the other animals were afraid of the T-Rex?

5. How they Lived • Dinosaurs lived on all continents • Different dinosaurs lived during different times so not all dinosaurs co-existed. • If dinosaurs were herbivores their diet was mainly green, such as plants and trees. • If dinosaurs were Carnivores their diet consisted of mainly other meat from other dinosaurs. • Dinosaurs lived together for millions of years until becoming extinct. • Question? • Do you think there are more herbivores or carnivores?

6. How they became extinct • How dinosaurs became extinct is something that even some of the best scientists don’t know an exact answer to. • The most popular theory is that a giant asteriod struck the earth and killed off all the dinosaurs. • The truth is we probably will be searching for the answer to this questions for years to come!Question? • How do you think Dinosaurs became extinct?