Jeff Is Trying to Get His Newborn Infant, Ian, to Take

Multiple Choice

Jeff is trying to get his newborn infant, Ian, to take a bottle of formula. His wife Mel, has gone to try to nap, and is out of Ian's line of sight. Ian recognizes the formula is not the same as his mother's milk, will have none of it, and continues to cry. Eventually, Mel cannot take the crying and gets up to nurse Ian. Although this is difficult for Jeff, the response of the baby is a(n)

A) sexual strategy.
B) innate evolved mechanism.
C) personality trait.
D) mutation.
E) aggregation strategy.