favors those individuals who have ONE of the extreme variations in traits within a population. Directional selection is a type of natural selection that favors one extreme phenotype over the mean (average form) or other extreme. Changes in weather, climate, or food availability lead to directional
Bus (computing) In computer architecture, a bus (a contraction of the Latin omnibus) is a communication system that transfers data between components inside a computer, or between computers. This expression covers all related hardware components (wire, optical fiber, etc.) and software, including communication protocols.
(March 2017) A transit bus (also commuter bus, city bus, town bus, stage bus, public bus or simply bus) is a type of bus used on shorter-distance public transport bus services. Several configurations are used, including Low-floor buses, high-floor buses, double-decker buses, articulated buses and midibuses.