What theory states that species stay the same for a long time and then change quickly because of environmental changes?

a) natural selection

b) allopatric speciation

c) coordinated stasis

d) punctuated equilibrium

The answer would be letter C, coordinated stasis.

Coordinated stasis proposed by Gordon Baird suggests that groups of species stay the same for a long period of time, and then change quickly because of environmental changes, or experience an event of rapid extinction.