One of the purposes of Darwin's book,The Expression of the Emotions in Man and Animals,was to show that
A) many human reactions with no obvious survival or utilitarian value today did have an adaptive purpose in the evolutionary past.
B) animals and humans have very different emotional responses.
C) human emotional expressions vary widely across different cultures.
D) many human reactions with a clear adaptive purpose today had no adaptive purpose in the past.

Question

Quizplus · Accepted Answer

Darwin's book aimed to demonstrate that many of the expressions of emotions seen in humans and animals had adaptive purposes in their evolutionary past, even if they do not currently serve an obvious survival or utilitarian function.

One of the Purposes of Darwin's Book,The Expression of the Emotions