A chauffeur refers to an individual who drives people around for a living. An individual will be required to be fingerprinted before acquiring a chauffeur's licence in New York. An individual may be required to pass a defensive driving course before acquiring a chauffeur's license. In some states, the type of chauffeur license needed will depend on the number of people being transported. In New York, a chauffeur license is a Class E license, which is a taxi license.
Biological magnification (or biomagnification) is the buildup of certain substances, such as DDT, in the bodies of organisms at higher trophic levels of food webs. DDT was once used extensively as an insecticide. DDT builds up in the fatty tissues of organisms.
Biomagnification. The term that bioaccumulation is often confused with is biomagnification, which is when a toxic chemical increases in amount each time it moves up a food chain. The toxic chemical may start at a low amount in the original organism that originally took it in, but then that organism is eaten.