| We have heard a lot of stories about dinosaurs. We | | | | cloud blocks the heat and light of the sun that was |
| know they existed many years before our time. We | | | | suppose to enter the earth. This made the earth's |
| have seen movies and read articles about dinosaurs | | | | temperature to plummet and it killed all the living |
| that state some interesting facts and fascinating | | | | things during those times. |
| ones about them. The stories of dinosaurs help us | | | | There are many kinds of dinosaurs but the most |
| understand better the history of our planet. It has | | | | popular is the T-rex. a complete list of all dinosaurs |
| given us ideas on how the world really exists. | | | | can be found in the archeology and paleontology |
| Based from the facts that we read, we have known | | | | books. |
| that dinosaurs has unique characteristics from all | | | | Dinosaurs are classified into two orders - the |
| other regular reptile. An example is the raptor. They | | | | Saurischia and the Ornithischia. The Saurischia are the |
| are small but have high levels of intelligence that | | | | group that walked in the surface of earth. They have |
| gives them an advantage when hunting preys. Their | | | | hip joints which allow them to walk. T-rex belongs to |
| mode of communication uses sounds in order to | | | | this group. The Ornithischia, on the other hand, has |
| communicate to other kinds of dinosaurs. | | | | bird bones that enable them to fly. Archaeopteryx is |
| Raptors are likened to eagles and falcons, but fiercer. | | | | an example of this group. |
| It had traits very similar to birds. Studies even show | | | | You will find some reference books that discuss the |
| these raptors having feathers in their bodies as well. | | | | bone composition of a dinosaur. Since there are no |
| Raptors hunt in groups. This characteristic makes | | | | dinosaurs that exist these days, researchers and |
| raptor a social reptile. There are many other facts | | | | scientists relied on dinosaur fossils to explain these |
| available about dinosaurs. The ones stated above are | | | | animals' behavior. Some museums hold important |
| just a few of those facts that are written. | | | | facts about dinosaur bones. They display huge |
| Another important fact about dinosaurs is that they | | | | skeletons of dinosaurs. |
| have been extinct for over 65 million years ago. | | | | Dinosaur bones have a complex skeletal network. |
| Although there have been debates about the | | | | Large dinosaurs have strong bones to be able to |
| extinction of dinosaurs, there are no final facts about | | | | support their massive weight and size. |
| their extinctions. All facts are still subject for further | | | | There is also a lot of information that has been |
| studies. | | | | gathered about the dinosaur eggs. This information |
| There are numerous explanations accounting for their | | | | focuses on the appearance and the kind of dinosaur |
| extinction. One explanation revolves around asteroids | | | | that the egg came from. The texture of the egg can |
| and multiple collisions, plus environmental factors. | | | | determine the dinosaur's specie. The dinosaur egg |
| Another explanation offered is the massive volcanic | | | | varies in size and shapes. The size depends on the |
| eruption of a volcano. This implies that volcanic | | | | kind of specie. |
| eruptions were happening even in the age of | | | | There is much other information about dinosaurs that |
| dinosaurs. Upon eruption, the earth is covered with | | | | are very interesting to know. Try to read more |
| sulfur dioxide that blankets the earth's surface. This | | | | about them and you will enjoy exploring the history. |