Organisms have the ability to regulate their internal environment in order to maintain a steady state called
metabolism
homeostasis
life

Homeostasis is quoted as being "the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.", so in simpler words, it's the organisms ability to maintain a steady state. Meaning that your correct answer here would be B.

Idk

Ibelieve the answer is c.