Answer: Gradualism
Step-by-step explanation:
Gradualism is a selection and variation that happen more gradually. Over a short period of time it is hard to be noticed... This describe how teosinte evolve into maize without bold change at once but gradually. In the case punctuated equilibrium the gene of the plant change entirely, it form trait that is not found on parent plant and transfer to the next generation making the changes more obvious.
The answer is "Gradualism".