What are "dizygotic twins"?
a. Twins who developed from a single fertilized egg
b. Twins who developed from different fertilized eggs
c. Twins who were reared by the same family
d. Twins who were reared by different families
b
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In evolutionary psychology, which of the following would be a good description of natural selection?
A. Successful genetically determined adaptations become more common over successive generations. B. Successful genetically determined adaptations become less common over successive generations. C. Unsuccessful genetically determined adaptations become more common over successive generations. D. Successful genetically determined adaptations become more common in many other species.
Throughout much of history in Western societies, abnormal behavior was often taken as a
sign of ______. a. psychic powers c. spiritual enlightenment b. biological imbalances d. demonic possession