an intellectual movement that emerged at the end of the 18th century in reaction to the ideas of the enlightenment; it stressed feelings, emotion, and imagination sources of knowing
promoted the idea that humans are material human beings who are part of the natural world
the principle set forth by Charles Darwin that every plant or animal has evolved, or changed, over a long period of time from earlier, simpler form of life to more complex forms
the principle set forth by Charles Darwin that some organisms are more adaptable to the environment than others; in popular terms, "survival of the fittest"
mid-nineteenth century movement that rejected romanticism and sought to portray lower and middle class life actually as it was