Definition of gradualism in English English dictionary
In evolutionary biology, belief that evolution proceeds at a steady pace, without the sudden development of new species or biological features from one generation to the next
A model of evolution that assumes slow, steady rates of change Charles Darwin's original concept of evolution by natural selection assumed gradualism Contrast with punctuated equilibrium
Theory that postulates that evolution is primarily anagenetic (microevolutionary), with new variation arising in individuals by mutation and recombination, and natural selection acting primarily on individuals and populations