How does punctuated equilibrium differ from the Darwin model of gradual change over time?​

Punctuated Equilibrium

A theory in evolutionary biology which proposes that species evolve rapidly in short bursts, followed by long periods of evolutionary stasis.

Darwin Model

A reference to Charles Darwin's theory of evolution by natural selection, which posits that organisms evolve through a process where individuals with traits better suited to their environment are more likely to survive and reproduce.