Dinosaurs And Their Existence - Welcome to the Era of the Unknowns

1. Dinosaurs and Their Existence - Welcome to the Era of the Unknowns No one alive on this earth has first-hand experience with Dinosaurs whatever may be the creed, categories or type. www.ubuy.com.se

2. Still, archaeologists and scientists firmly believe that they existed on the basis of their own theories and fossil findings. Dinosaurs were discovered back in 1842 and are broadly categorised as avian and non-avian dinosaurs. www.ubuy.com.se

3. The Mystery - How Do We Know That Dinosaurs Even Existed? These diversified groups of reptiles are said to have appeared between 243 and 233.23 million years ago. www.ubuy.com.se

4. Evidence of dinosaurs' existence was initially found in England in the late 17th century. More in-depth knowledge about dinosaurs has been derived from a variety of fossil and non-fossil records. The recorded shreds of evidence include fossilized bones, faeces, gastroliths, feathers, skin impressions, trackways, organs, soft tissues and so on… www.ubuy.com.se

5. Their Origins and Evolution Long before fossils were discovered, scientists believed that dinosaurs were the ancestors of birds. Palaeontologists consider Archaeopteryx to be the first fossil discovery that revealed a possible link between dinosaurs and modern birds. www.ubuy.com.se

6. Dinosaurs originated during the Triassic era then spread and evolved during the Jurassic and Cretaceous periods. There are over 900 distinct genera and over 1,100 distinct species of non-avian dinosaurs. www.ubuy.com.se

7. Some of the most popular ones are listed below-Carnivores: Tyrannosaurus Rex, Velociraptor, Spinosaurus Herbivores: Apatosaurus, Diplodocus, Triceratops Omnivores: Deinocheirus, Coloradisaurus, Dromiceiomimus www.ubuy.com.se

8. You can acquire a vague idea of their above-mentioned species' anatomy by - • Visiting a historical museum where you will learn more about them. • Seeing the Jurassic Park movie series. • And purchasing Life-Like Dinosaur toysfrom the market. www.ubuy.com.se

9. Distinguishable Characteristics Dinosaurs were dominant terrestrial inhabitants of the Mesozoic Era. Their dominant features include: • An intelligent creature with a strong body build. • Variable sizes that range from small to big. • All of them had an upright stance, with legs perpendicular to their body. www.ubuy.com.se

10. Many of them are fast-moving pack hunters. • All these reptiles have an upright stance with legs perpendicular to their body. • Dinosaurs had two holes behind their eye sockets. • They have large, strong jaw muscles. • They laid eggs. www.ubuy.com.se

11. Who's to Blame for the Extinction of the Dinosaurs? Recent evidence in Sweden supports the theory Cretaceous–Paleogene extinction event that took place approximately 66 million years ago on earth. www.ubuy.com.se

12. From then on, Dinosaurs got divided into two parts: • Avian dinosaurs or modern-day birds that have evolved themselves and are co-existing with us. • The extinct non-avian dinosaurs that include everyone except birds. www.ubuy.com.se

13. This mass extinction is said to have occurred via two mechanisms that have played major roles: • An extraterrestrial asteroid or meteorite collided with earth. • This resulted in a flood basalt or volcanic series of eruptions that covered large stretches of land and the oceanic floor with basalt lava. • These explosions resulted in the release of toxic gases as well as abrupt climatic changes. www.ubuy.com.se

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