How Did The Dinosaur Become Extinct?
Extinction means the ending of a complete species of living organism. Many living organisms have become extinct. Dodo Bird and Heath Hen in birds, Dinosaurs in reptiles, Tasmanian Tigers in Mammals and the Broad-leaved Centaury in plants have become extinct. Scientists and Archeologists have put forward many theories about the causes of extinction of Dinosaurs. The main reason being that Dinosaurs existed about 6 million years before man actually inhabited the Earth. One of the main theories put forward by scientists is that an asteroid hit the Earth millions of years ago. It threw up so much dust that the rays of the Sun were blocked. The Earth grew dark, and as sunlight is necessary for life, plants began to die out. As these were the main sources of energy for Herbivore Dinosaurs, they also started to starve, and the Carnivores also died due to the lack of prey i.e. Herbivore Dinosaurs. Another theory is that the Asteroid caused an explosion so great that the big animals at that tim
