Answer
Punctuated Equilibrium states that evolutionary change occurs through speciation, or relatively rapid bursts of change in a species. The speciation event is only a 'geological instant', taking up less than 1% of a species total existence. The Theory of Punctuated Equilibrium was proposed to explain discontinuous evolutionary changes observed throughout geological time.
Work Step by Step
Theory proposed to explain gaps in evolutionary chains; rapid bursts of change in species
