Genetic variation is the raw material of evolution. Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction.enetic variation is the raw material of evolution. Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction.
Both asceticism and monasticism have been adopted by worshipers of various faiths. In general, asceticism is the practice of strict self-denial as a means of attaining a higher spiritual plane. Monasticism is the state of being secluded from the world in order to fulfill religious vows.
Chambers 20th Century Dictionary(5.00 / 1 vote)Rate this definition: Ascetic. as-setâ²ik, n. one who rigidly denies himself ordinary sensual gratifications for conscience' sake, one who aims to compass holiness through self-mortification, the flesh being considered as the seat of sin, and therefore to be chastened: a strict hermit.âadjs.