DINOSAURS OUTLINE Definition Of Dinosaurs Types Of Dinosaurs

DINOSAURS

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

Definition Of Dinosaurs are a diverse group of reptiles of the clade Dinosauria. Dinosaurs ranged greatly in size. The largest dinosaur weighed as much as eighty tons and stood seventy feet in length. The smallest ones were less in size than a chicken.

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

Types Of Dinosaurs It was English paleontologist Harry Seeley who first noticed that were two main types of dinosaur: 1. He called the lizard-hipped dinosaurs ‘Saurischians’, which comes from the Greek for ‘lizard hip joint’. 2. Those with bird-like hips he named ‘Ornithischian’, which comes from the Greek for ‘bird hip joint’.

Types Of Dinosaurs

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

Diet Of Dinosaurs All of the carnivorous (meat-eating) dinosaurs were Saurischians, as were many herbivorous (plant-eating) dinosaurs. In general, all Ornithischian were herbivores. However, there may have been a few Ornithischian that were omnivorous or even carnivorous.

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

Natural Habitat Of Dinosaurs They’ve even been found in Antarctica, where scientists have found fossils of both planteating and meat-eating dinosaurs. During the Mesozoic era, these areas changed from a tropical climate, when the continent was near the equator, to a more temperate and arid one.

Natural Habitat Of Dinosaurs

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

Life Span Of Dinosaurs first appeared about 230 million years ago, and survived until the end of the Cretaceous period, about 65 million years ago. The reign of the dinosaurs lasted for around 170 million years.

Life Span Of Dinosaurs

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Diet Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

Extinction Of Dinosaurs It is widely believed that all dinosaurs died out at the same time at the end of the Cretaceous period about 65 million years ago. But of the approximately 350 known dinosaurs, only 10 to 20 species faced the final extinction in North America at the end of the Cretaceous.

Extinction Of Dinosaurs v One theory suggested that mountain building activity destroyed the lowland habitat of the dinosaurs. v Second theory is “asteroid theory”: That an asteroid striking the Earth caused the extinction of the dinosaurs by raising a huge dust cloud that lowered global temperatures.

Extinction Of Dinosaurs

OUTLINE Definition Of Dinosaurs Types Of Dinosaurs Natural Habitat Of Dinosaurs Life Span Of Dinosaurs Extinction Of Dinosaurs References

References www. presentationszone. com www. ucmp. berkeley. edu https: //en. wikipedia. org www. desertusa. com www. dinosaurjungle. com www. livescience. com www. activewild. com