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

Some people think that the dinosaur's brain volume is too small compared to its body. In fact, the growth rate of the dinosaur brain is only about 2/3 of the growth rate of the body. In other words, the size of the brain varies with the 2/3 of the body size. In the case of equal weight, reptiles and mammals have smaller brains, which is the brand of biological evolution. Paleontologists have measured the "brain volume quotient" of dinosaurs. They first calculated its body weight based on a relatively complete dinosaur skeleton, and then obtained the brain volume according to the formula that the brain size changes with the body power 2/3 power Figures, and then further calculate the "brain quotient". Because 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 smarter it is. Generally speaking, the brain capacity of carnivorous dinosaurs is higher than that of herbivorous dinosaurs. The brain volume quotient of Lirutosaurus and Dreadclaw has exceeded 5, which is many times higher than that of Tyrannosaurus. The brain quotient of sauropod dinosaurs is only 0.2-0.35, Ankylosaurus is 0.52, Stegosaurus is 0.56, and Ceratosaurus is between 0.7-0.9.

 Therefore, dinosaurs also have IQs, but they are relatively low. When people mention the smartest dinosaurs, the first impression is that they are said to be tooth-toothed dragons, which is based on fact.


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