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Home Q & A Board Science-Related Homework Help Psychology
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o2 o2
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7 years ago
Darwin believed that emotional expressions began as ________ that came to have evolutionary value because they ________.
   a.   physiological reactions; convey emotional states to other members of the species
   b.   physiological reactions; increased the efficiency of bodily reactions
   c.   communication devices; increased the efficiency of bodily reactions
   d.   random mutations; convey expectations to other members of the species
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sleepersleeper
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7 years ago
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o2 Author
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7 years ago
Good timing, thanks!
mmmm_dat_userna
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Yesterday
Thank you, thank you, thank you!
Lourd Jenkins
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2 hours ago
This helped my grade so much Perfect
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