Emotion in animals specialised form of Occam's razor used in ethology, in which he stated: Charles Darwin initially planned to include a chapter on emotion in "The Descent of Man" but as his ideas progressed they expanded into a book, "The Expression of the Emotions in Man and Animals". Darwin proposed that emotions are adaptive and serve a communicative and motivational function, and he stated three principles that are useful in understanding emotional expression: First, "The Principle of Serviceable Habits" takes a Lamarckian stance by suggesting that emotional expressions that are useful will be passed on to the offspring. Second, "The Principle of
Emotions in the workplace to motivate those around him/her and have more opportunities within the company. Being able to bring out positive emotions and aware of how to do this can be an incredibly useful tool in the workplace. "Positive mood also elicits more exploration and enjoyment of new ideas and can enhance creativity" (Isen, 2000). A manager who is able to reward and speak to his employees in a way that brings out their positive emotions will be much more successful than one who lacks these skills. “As the nature of the U.S. and global economies is increasingly transforming from manufacturing to service,