The drastic use of color has been used to depict the mood of the subject, with greens and intense reds contributing Utopian fiction is the creation of an ideal world as the setting for a novel. Dystopian fiction is the opposite: creation of a nightmare world. Both are commonly found in science fiction novels and stories. The word utopia was first used in this context by Thomas More in his work "Utopia"; literally it means "…showed first 75 words of 454 total…

…showed last 75 words of 454 total…relating to competition for survival or predominance. Originally applied to economics by Herbert Spencer, Spencer drew parallels with Charles Darwin's theories of evolution by what Darwin termed natural selection. The phrase is essentially a metaphor and is often felt to be unhelpful - biologists almost exclusively use natural selection in preference. Some have argued that it is a tautology, since if "fitness" is measured in terms of survival, the phrase becomes "survival of the survivors"