Darwin believed that emotional expressions began as __________ that came to have evolutionary value because they __________.

Question

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Darwin believed that emotional expressions began as physiological reactions, such as changes in facial muscles or bodily posture, that conveyed emotional states to other members of the species. These expressions then evolved to have adaptive value because they allowed individuals to communicate their emotional states and intentions more effectively, for example, by signaling aggression or submission, which could help to avoid physical conflict or establish dominance hierarchies.

Darwin Believed That Emotional Expressions Began as __________ That Came