"A process whereby a small cause has a large effect" (W.T. POWERS, 1995)
Amplification is achieved by drawing on the stores of energy and bringing them to bear on the creation of narrowly focused effects in the environment…".
This possibility "… arises from the fact that organisms can draw on internal power supplies which are independent of the energy contained in disturbances" (Ibid.)
This is the same condition that leads to systems autonomy in the sense of P. VENDRYES (1908-1989)