Dinosaurs was a great animals. So let's know some information about this great animals. And some basic causes of extinction.
According to most scientists, dinosaurs appeared on Earth approximately 225 million years ago and they survived on Earth for about 150 million years. At one time, dinosaurs ruled over the whole world except the North Pole. There were different types of dinosaurs roaming freely in water, land, sky.
Currently, more than 600 species of dinosaurs have been identified and named. Many of these species of dinosaurs we have seen in famous Hollywood movies like Jurassic Park, Godzilla, Ice-Age, The Good Dinosaur. Let's learn about some of the most popular species of dinosaurs.
The most ferocious dinosaur
The dinosaur 'Tyronosaurus rex' has been seen in many popular movies and TV shows. It was a very powerful and intelligent hunter. It had very small hands but hunted with sharp teeth and long tails. The wives were bigger than.
The largest dinosaur
The largest (longest), widest and heaviest dinosaur in the world was the Argentinosaurus, which was up to 40 meters long and weighed about 80-100 tons. This dinosaur is a member of the titanosaur group. Its remains have been found in Argentina and South America.
The smallest and most intelligent dinosaur
Trodone was the smallest dinosaur that lived about 66 million years ago. This dinosaur is said to be a larger version of a modern bird. Some scientists believe that the dinosaurs of the Lesothosaurus group were crocodiles and birds in the evolutionary chain. They were at a maximum of 2 meters in size and weighed a maximum of 2-10 kg. They also have a reputation as the smartest dinosaurs.
The most stupid dinosaur
Stegosaurus lived in the marginal Jurassic era about 150 million years ago. Like a plate made of large tiles on the back. They were up to 1 meter (3 feet) long. Its brain size was the same as a walnut - only 3 centimeters long and weighed 75 grams.
The tallest dinosaur
The dinosaurs, called surupods, are now the tallest giraffes in the world, with a very long neck, short head and four pillar-like legs. They were up to 18.5 meters (60 feet) long.
The fastest dinosaur
"Dromisiomimus" is the fastest dinosaur of the dinosaur era. It is a mixed version of many kangaroos and ostriches. About 14 feet long, Dromisiomimas could run at 60 kilometers per hour.
Flying animals of the dinosaur era
In that dinosaur era, the largest species of flying reptiles flew in the sky. The largest of these flying creatures was the Quetzalcoatlus. The wingspan of this amazing creature was about 13 meters, but it did not weigh more than 100 kilograms.
Marine animals of the dinosaur era
The animals that live in the wetlands of the dinosaur era are known as ‘Pleisosorius’. The longest placenta of that time was the Elasososaurus, which was about 14 meters (48 feet) long.
The cause of the extinction of dinosaurs
According to popular belief, dinosaurs became extinct from Earth after being hit by an asteroid at least 10 km in size about 60 million years ago. An asteroid impact just ends that process.
Dinosaurs became extinct towards the end of the Mesozoic era. Explaining the cause of the extinction of all these species at about the same time is a complex problem in archeology. Failure to adapt to changing environments is considered a major cause of extinction. There are also a number of regulators such as disease, ethnic aging, cosmic rays, the emergence of omnivorous mammals, mountain excavations, isolation between subcontinents, sea level rise and rise in temperature.
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Note: information and images taken from Google.
Nice article