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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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cdong cdong
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6 years ago
Circadian rhythms are
 
  a. endogenous cycles of activity over the course of a day.
  b. not found in plants.
  c. learned patterns of daily activity.
  d. annual changes in behavior (such as migration).
  e. monthly cycles of reproductive activity.
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FanouseFanouse
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6 years ago
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