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Lorcan and Hannah

Yellow Pages

Fluctuate to rise and to fall
Birth Rate The number of births per 1000 people in one year
Death Rate The number of deaths per 1000 people in one year
Population explosion the population growth when most babies are born to survive to become adults and to have children of there own
Baby boom When there's a massive increase of babies being born
Population Cycle A drawn up model to help us to understand how a population increases over time
Crop rotation Growing a different crop in the same field each year in order to reduce the risk of pests and to prevent soil exhaustion
Colonisation One country takes political control over another country
Irrigation Supplying dry agricultural land with water through canals or plastic piping, so that crops can grow
Feminist Movement A pressure group started by women to achieve equality with men
Population distribution The dispersal of people in the world
Population Density The average number of people living in a square kilometre
Biofuels Energy sources that can be extracted from corn, sugar canes, grasses and organic waste
Desertification The spread of a desert due to drought, over grazing and tree felling.
Created by: LorcanLee16