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.
the transporting of students by bus to schools outside their neighborhoods, especially as a means of achieving socioeconomic or racial diversity among students in a public school. Origin Expand 1885-90; bus 1 (v.) + -ing 1, spelled irregular with single s, perhaps to avoid association with buss