In the past, some textbooks and popular science books often described Dinosaurs as stupid animals. But after years of research, paleontologists have proven that dinosaurs were not stupid fools, but the most agile and energetic species on the planet at the time.


Tyrannosaurus


Some people believe that the brain capacity of dinosaurs was too small compared to their bodies. In fact, dinosaur brains only grew at about 2/3 the rate of body growth. In other words, the size of the brain varies with the size of 2/3 of the body. It is a stigma of biological evolution that reptiles and mammals have smaller brains given equal body weight. Paleontologists have measured the "brain volume quotient" of dinosaurs. They first calculated the weight of a relatively intact dinosaur skeleton based on its body weight, then obtained the brain capacity based on the formula 2/3 power figure for the change in brain size with body power, and then further calculated the "brain volume quotient". Since there is no more reliable means and basis for the study of dinosaurs, paleontologists often use the method of calculating "brain quotient" to measure the intelligence level of dinosaurs.


Relatively speaking, the larger the brain capacity, the more intelligent. In general, carnivorous dinosaurs had a higher brain capacity than herbivorous dinosaurs. The brain capacity quotient of Lyratosaurus and Dinosauria has exceeded 5, many times higher than that of Tyrannosaurus. The brain quotient of sauropod dinosaurs was only 0.2-0.35, Ankylosaurus was 0.52, Stegosaurus was 0.56, and Ceratosaurus was between 0.7 and 0.9.


 Thus, dinosaurs also had IQs, but they were relatively low. When people mention the smartest dinosaurs, the first impression is that they are Toothasaurus, which is based on facts.


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