More than 90 definitions have been offered over the past century, and there are almost as many theories of emotion—not to mention a complex array of overlapping words in our languages to describe them Plutchik offers an integrative theory based on evolutionary principles Emotions are adaptive—in fact, they have a complexity born of a long evolutionary3 4 4 5 lm 845'n $ n 3445 !S723 Fracture of shaft of femur S7230 Unspecified fracture of shaft of femur S Unspecified fracture of shaft of right femur SA initial Aircraft Design Software Free Nasa Detailed Login Instructions Loginnote R-344p