Reproduction (or procreation) is the biological process by which new individual organisms – "offspring" – are produced from their "parents". Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. There are two forms of reproduction: sexual and asexual.In asexual reproduction, an organism can reproduce without the involvement of another organism. Asexual reproduction is not limited to single-celled organisms. The cloning of an organism is a form of asexual reproduction. By asexual reproduction an organism creates a genetically similar or identical copy of itself.Sexual reproduction typically requires the sexual interaction of two organisms or gametes of the same species, one from each sex, to produce offspring organisms whose genetic characteristics are derived from those of the parent organisms.