• Question: How Have Facial expressions evolved

    Asked by shoddyx to Bridget on 17 Jun 2010 in Categories: .
    • Photo: Bridget Waller

      Bridget Waller answered on 17 Jun 2010:

      Great question, and the main focus of my research! If a facial expression gives the sender and the reciever some sort of advantage, then it will be selected for over time and become part of a species’ behaviour. Feel free to ask more specific questions if you want to know more!

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