Marine dinosaurs 🦕 #Mosasaurus #Tanystropheus healing #Plesiosaurus
[Amazing features of the extinct ancient fish, Demetrodon] The extinct ancient fish, Demetrodon, is a large reptile that lived about 300 million years ago, and is not actually a fish.
Demetrodon is famous for having a large sail on its back. It is thought that this sail was used to regulate body temperature.
It absorbed the sun's rays to keep warm on cold nights, or to cool the body by releasing excess heat.
Another notable feature is its sharp teeth. It was carnivorous and preyed on small animals. It is said that some individuals reached a length of more than 3 meters.
Scientists have found that Demetrodon evolved before dinosaurs. In fact, its characteristics suggest a relationship with mammals.
In summary, Demetrodon is a large carnivorous reptile with a huge sail and sharp teeth that lived about 300 million years ago. It is very interesting because the sail on its back helped regulate body temperature and its evolution is also related to mammals.
"The Secrets of the Ecology and Evolution of Ancient Fish"
Ancient fish are living fossils that tell the history of the Earth. Representative examples include the coelacanth and arowana.
The coelacanth has existed for about 400 million years and has hardly changed its appearance. On the other hand, the arowana has lived in rivers and lakes for over 100 million years, catching small fish and insects with its unique mouth.
These ancient fish have acquired amazing characteristics in the process of evolution. The coelacanth has an organ similar to a lung, allowing it to take in oxygen even underwater. The arowana also has incredible jumping power to catch prey above the water surface.
The secret of the evolution of these fish lies in their ability to adapt to an ever-changing environment. They have risen to the top of the food chain and survived with their strong body structure and unique predation methods.
The study of ancient fish is the key to understanding the evolutionary process. The secrets of their ecology and evolution continue to fascinate scientists even today.
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