(a) tendency to change with change in environment
(b) tendency to resist change
(c) disturbance in regulatory control
(d) plants and animals extracts used in homeopathy
(b) Homeostasis Ghomes similar, (Gr. homeos = similar, stasis-standing) is the tendency of maintaining a relatively stable internal physiological environment in an organism, or steady-state equilibum in a population or ecosystem. It is carried out by regulatory mechanisms which coordinate internal fuctions such as providing nutrients to cells and transporting substances.