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3 things about the dinosaurs you may be interested in.
2020-03-15 21:39:17

3 things about the dinosaurs you may be interested in.

Dinosaurs, the original hegemons of the earth, most of us now accept the view that dinosaurs are extinct: the impact of a huge meteorite 65 million years ago and the subsequent impact on the earth's environment caused that species disaster. Now our knowledge of dinosaurs is nothing more than scientists' imaginative restoration based on the fossils they have unearthed. Of course, this is not a wild imagination. It has a scientific basis. But for us in general, in fact, some of our knowledge of dinosaurs is not correct.

1: Dinosaurs are green or brown
We may think that dinosaurs are mostly green or brown and have a single color, but not all of them. There are other colors of dinosaurs, such as: red, black, white and other colors, and some are colorful, and some are striped, just like an artwork. You may be wondering how exactly the color of these dinosaurs is determined? In fact, scientists have a set of their own processes, which will be discussed later.

2: Dinosaurs Appear Simultaneously
We all know Tyrannosaurus Rex and Stegosaurus. One is a huge carnivore, and the other is a large thorn-eating plant-eating animal. Have you ever imagined that they would fight each other at a time? No, that's impossible, because they were not living the same period, just like you can not hope polar bears to hunt penguins.

The Mesozoic era refers to the period from 250 million years ago to 66 million years ago, often referred to as the dinosaur era-spanning 180 million years. The Mesozoic can be divided into three periods: Triassic from 250 million years to 200 million years ago; Jurassic from 200 million years to 145 million years ago; Cretaceous from 145 million years to 66 million years ago. Each era has its representative dinosaur, Triassic coelophysosaurus; Jurassic giant sauropods and theropods; Cretaceous Tyrannosaurus and Triceratops confront.

Think about how much biology has changed in the past 66 million years. Ancient mammals multiplied and eventually became extinct, which occurred long before the emergence of modern fauna in the world. Fangs, round-headed herbivores, such as tuna, lemur-like primates, razor-headed predators (known as tooth-shaped spines), and many other strange forms of animals multiply and disappear. Even the horses, rhinos, and elephants that we are familiar with today are evolving, and now there are only relics that once existed.

3. Dinosaurs have no scales
What I can tell you is that some dinosaurs have scales and some have feathers. This was a long time before there was a clear distinction between "birds" and "dinosaurs.
Paleontology has known for more than 20 years that theropod carnivorous dinosaurs such as Tyrannosaurus Raptor were ancestors of modern birds. Earlier they did have feathers, but like Triceratops, Stegosaurus and Orthodox dinosaurs such as Ankylosaurus and giant long-neck sauropod dinosaurs are full of scales.Paleontologists' research on dinosaur skin databases has concluded that most dinosaurs have scales or plate armor, and scales are the most common in sauropod dinosaurs. Some even think that all dinosaurs have some kind of gene that can make the skin filaments, fluff, or feathers.