pure population
71List of rabbit breeds — Rabbit breeds are notably different varieties of domestic rabbit created through selective breeding or natural selection. Breeds recognized by organizations such as the American Rabbit Breeders Association (ARBA) may be exhibited and judged in… …
72Genetic erosion — is a process whereby an already limited gene pool of an endangered species of plant or animal diminishes even more when individuals from the surviving population die off without getting a chance to meet and breed with others in their endangered… …
73environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
74organized labour — Introduction also called trade unionism, association and activities of workers in a trade or industry for the purpose of obtaining or assuring improvements in working conditions through their collective action. Great Britain (United… …
75Union of Christendom — • Includes the Catholic Church together with the many other religious communions which have either directly or indirectly, separated from it Catholic Encyclopedia. Kevin Knight. 2006. Union of Christendom Union of Christend …
76American bison — B. b. bison Alternate image Historic drawing …
77Effet hétérosis — Hétérosis Cet article traite de biologie. En physique, en matière de théorie bosonique des cordes, on parle également de corde hétérosique : voir théorie des cordes …
78Heterosis — Hétérosis Cet article traite de biologie. En physique, en matière de théorie bosonique des cordes, on parle également de corde hétérosique : voir théorie des cordes …
79Vigueur hybride — Hétérosis Cet article traite de biologie. En physique, en matière de théorie bosonique des cordes, on parle également de corde hétérosique : voir théorie des cordes …
80Islamic arts — Visual, literary, and performing arts of the populations that adopted Islam from the 7th century. Islamic visual arts are decorative, colourful, and, in religious art, nonrepresentational; the characteristic Islamic decoration is the arabesque.… …
