Darwin believed that
A) expressions of emotion evolve from behaviors that indicate what an animal is likely to do next.
B) expressions of emotion evolve in ways that enhance their communicative function and that their original function may be lost.
C) opposite messages are often signaled by opposite movements and postures.
D) all of the above
E) none of the above
Question 2
The first major book on the biopsychology of emotions
A) was published in 1872.
B) was The Expression of Emotions in Man and Animals.
C) introduced Darwin's theory of the evolution of emotional expression.
D) all of the above
E) both A and C