How do they do it? Chemistry helps! The most important adaptation is how animals regulate their body temperature. Animals can be either warm-blooded or cold-blooded. Warm-blooded animals, which are ...

The regulation of food intake and energy homeostasis is a critical aspect of physiology in both fish and mammals ... that maintains body weight and metabolic health. Neuropeptides: Small protein ...

"Our study is an important contribution to understanding the origin and regulation ... to birth of placental mammals, when most babies require brown fat to regulate body temperature.