Question 36-40 In chaos theory, the butterfly effect is the sensitive dependence on initial conditions (36) . a small change in one state of a deterministic system can (37) large differences in a later state. The idea was earlier (38) the French mathematician and physicist Henri Poincaré and he placed the concept onto properties of large classes of dynamic systems which are undergoing (39) . dynamics chaos. Currently, the concept of the butterfly effect has since been used outside the context of weather science as a broad term for any situation where a small change is supposed to be the cause of larger (40) .