*SILENT SPRING = A book by Rachel Carson in 1960 that warned of the dangers of pesticides
*DDT = An insecticide now banned in the US that poisoned many birds of prey, including eagles
*BIOLOGICAL MAGNIFICATION = Greater levels of pesticide contamination higher up the food chain
*FOOD CHAIN = E.g., small insect which is eaten by larger insect which is eaten by a bird
*TOP PREDATOR = Animal high up the food chain not usually eaten by another, e.g., human, lion
*PESTICIDE RESIDUE = An amount of pesticide that contaminates food or the environment after use
*CARCINOGEN = A substance that can cause cancer
*MUTAGEN = A substance that can cause genetic mutations
*AUGMENTATION = Release of natural enemies to manage pests
*FOOD WEB = A diagram of the many interlinked food chains in one area or linked to one food source 

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