400 million years ago, dinosaurs and humans were not born yet. What was the earth like at that time? 400 million years ago, dinosaurs and humans were not born yet. What was the earth like at that time?
Scientists believe that dinosaurs may not be extinct, they have evolved into new species Scientists believe that dinosaurs may not be extinct, they have evolved into new species
The culprit of the extinction of dinosaurs is controversial. It may not be asteroids, but the answer that makes us more afraid The culprit of the extinction of dinosaurs is controversial. It may not be asteroids, but the answer that makes us more afraid
If the dinosaurs were not extinct, would humans still appear? If the dinosaurs were not extinct, would humans still appear?
Are all the dinosaurs extinct? Probably not, their descendants continue to this day Are all the dinosaurs extinct? Probably not, their descendants continue to this day
Tyrannosaurus rex in the dinosaur family has a pair of very embarrassing forelimbs. What’s the use of it? Tyrannosaurus rex in the dinosaur family has a pair of very embarrassing forelimbs. What’s the use of it?
Dinosaurs have been in existence for 160 million years and have been retired. How long can human beings survive? Dinosaurs have been in existence for 160 million years and have been retired. How long can human beings survive?
In the long life history of the earth, why did the number of people appear much later than the dinosaurs? In the long life history of the earth, why did the number of people appear much later than the dinosaurs?