Bears are warm - blooded , like bats , squirrels and dormice 棕熊、蝙蝠、松鼠和睡鼠一样都是恒温动物。
3.
It is well know that the preoptic and anterior hypothalamus ( poaii ) is the heat regulating center of homeotherm 下丘脑视前区和下丘脑前区( poah )为恒温动物的体温调节中枢。
4.
Therefore the next distinction was made between animals that maintain a constant body temperature , called homoiotherms , and those whose body temperature varies with their environments , called poikilotherms 因此另一个不同点（区分方法）被提出，能保持体温恒定的动物称之为恒温动物,那些体温因周围环境（温度改变）而改变的动物,叫做变温动物（也叫冷血动物）
