The production of high yielding varieties of wheat by repeatedly breeding from the best plants is an example of

Explanation

Here a human being, not the environment, decides which individuals reproduce, and the chosen character is one that suits us rather than one that improves survival in the wild. Darwin opened The Origin of Species with exactly this comparison, arguing that if breeders can reshape a species in a few generations then nature can do far more over geological time. Drift is change by chance, with no selection of any kind.