Use "punctuated equilibrium" in a sentence

1. Your paper on punctuated equilibrium in the Devonian Era was topnotch.

2. He was the co- developer with Stephen Jay Gould of the theory of punctuated equilibrium.

3. 22 They emerge from periods of punctuated equilibrium with radically different structures that once again begin slowly evolving.

4. And, not only do we have Punctuated equilibrium and Anagenesis to describe the rate of gradualism in evolution; but we also have more catastrophic/sudden emergence theories including quantum evolution, saltationism, catastrophism & mass extinction theories.