HDEV 4th Edition by Spencer Rathus

تمرين 5

According to evolutionary theory, stepparents may be less devoted to rearing stepchildren because
A) they do not have enough resources.
B) they have not had the experience of how to get along with stepchildren for the same amount of time as with their own children.
C) the stepchildren do not care for them as much as they care for their biological parents.
D) people often behave as if they want their own genes to flourish in the next generation.