200 million years ago, there was no such creature as humans in the world. There were only large animals called dinosaurs. The age of dinosaurs is called the age of dinosaurs. The Triassic, Jurassic and Cretaceous are the survivals of the dinosaur age. period. Dinosaurs have survived for 160 million years and they are a kind of reptiles.
Mamenchisaurus is called "the first dragon in China". It is the animal with the longest neck in the world. The neck is 11 to 14 meters long! yongchuan dragon , it uses its tail to support its body when standing up. If compared with , it is still much worse than tyrannosaurus rex. Let me introduce Tyrannosaurus Rex. Tyrannosaurus rex is the most powerful and ferocious animal living in North America in the history of North America. It has a strong bite force and is also my favorite carnivorous dinosaur.
Triceratops also lives in North America. It is about 8 meters long. Its attack power is poor, but its defensive ability is leveraged. It is one of the latest dinosaurs. , It is a herbivorous animal. The ichthyosaur lives in the water, it is like a composition https://www.zuowen8.com/ today's dolphin , it can dive into the water to find food. The diplodocus is more than 20 meters long from head to tail, like a rainbow bridge in the sky, pterosaur has wings on both sides of its body, like a search airplane in the sky.
When the dinosaurs went extinct , the end of the Cretaceous period 65 million years ago. The dinosaurs have all withdrawn from the stage of history. There is no accurate answer to the cause of the death of dinosaurs.It may be climate change, meteorite collision, volcanic eruption, warm-blooded animals, continental drift, dinosaurs cannibalism, food poisoning, etc.
The extinction of dinosaurs made me come up with a revelation: any kind of creature has to go through the process of birth, development, prosperity, and extinction, just like everyone has to go through birth, aging, sickness and death. This is the law of nature. .
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