A duck egg is removed from its mother’s nest and incubated by a barnyard hen

Q. A duck egg is removed from its mother’s nest and incubated by a barnyard hen. The duckling hatches out in the presence of the barnyard hen and stays in her nest. After a couple of days, the duckling is presented with a choice between its biological mother and the hen that incubated it. The duckling approaches and follows the hen. This set of observations demonstrates the phenomenon of

A. habituation

B. imprinting

C. instinct

D. sensitization

Ans: imprinting