in the “metabolism” tab there will be sliders responsible for metabolism, the first slider is always responsible for the rate of glucose processing into energy, also with an increase in the rate of glucose processing, the heat generated by the body increases, the remaining sliders are responsible for the rate of processing other substances into glucose and other organic substances. The body receives heat in 2 ways - external heating, metabolism; the body loses heat only by radiation into the environment. Coverings such as feathers and fur reduce both heat loss into the environment and the receipt of heat from the environment, which makes these covers undesirable for creatures with a slow metabolism and, conversely, desirable for creatures with a high metabolism.