I didn’t see any of the following but I can say that one reason they use it is to record their findings
Plutchik suggested we have 8 primary emotions that combine to form secondary emotions. Putchik identified ten postulates on which his evolutionary theory of emotions is based. Plutchik's wheel of emotion illustrates the relationships between his primary emotions and other related emotions. The eight basic emotions are joy, trust, fear, surprise, sadness, anticipation, anger, and disgust.
Answer:
this is just evolution like the birds on the Galapagos islands also I don't see the question
C or d i think but im prettu sure its c