Final answer:
Homeostasis is the correct term for a state of physiological equilibrium or stability. It represents the body's ability to maintain internal stability by regulating its biological systems in response to changes in the environment.
Step-by-step explanation:
A state of physiological equilibrium or stability is referred to as homeostasis. This concept is a fundamental principle in Biology and is critical for the maintenance of life. The body constantly monitors and regulates its internal environment to maintain stable conditions, through a variety of mechanisms. For instance, when blood glucose levels rise after eating, the body works to lower them to a set point that is optimal for cell function. Similarly, when the body's temperature changes, it employs mechanisms to stabilize it, ensuring that it does not fluctuate beyond the limits necessary for survival.
Drive theory of motivation recognizes that any deviations from homeostasis can lead to physiological needs, which in turn create psychological drives. These drive states compel actions that seek to remedy the imbalance and restore homeostasis. For example, the feeling of hunger drives one to eat, replenishing energy stores and bringing blood sugar levels back to normal.