? The lizard belongs to the Reptilia, is one of the reptiles, and is a very typical and common reptile. Animals can be divided into homeotherms and poikilotherms according to the way their body temperature changes. As the name implies, the body temperature of warm-blooded animals is basically maintained in a constant range and does not change. Poikilotherms, on the other hand, change their body temperature when the outside temperature changes.
Reptiles have a common feature of body temperature changes. They are all poikilotherms, or cold-blooded animals, not warm-blooded animals. In fact, whether the body temperature of animals is constant or variable has a lot to do with the function of the heart and lungs. Lizards are reptiles. From an evolutionary point of view, they are not very advanced animals. Although they have hearts and lungs, their functions are not as perfect as those of more advanced animals, so their body temperature is variable.
In addition, lizards are cold-blooded animals, but also have a certain impact on other aspects. Lizards can be kept as pets, but they are basically unable to recognize their owners, one of the important reasons is that they are cold-blooded animals. Although after a long time together, they can establish a conditioned reflex with their owners, they can not recognize their owners like more advanced animals.
above, lizards are poikilotherms, and many poikilotherms hibernate. Whether lizards hibernate or not is closely related to the ambient temperature. Most lizards live in tropical and subtropical areas with low latitudes. Winter temperatures in these areas are not particularly low, which will not cause lizards to hibernate because of low body temperature, and lizards will not freeze to death. However, some lizards live in temperate zones, and they may go into hibernation because of the low temperature in winter. Moreover, if lizards are bred artificially, the temperature in winter is relatively low, so it is necessary to provide a suitable environment for their hibernation.