Population - The total number of people in a given area, Birth rate - The number of births each year per 1,000 people, Death rate - The number of deaths each year per 1,000 people, Exponential - An increase that becomes more and more rapid., Agriculture - The science of farming, including crops (plants) and animals, Population density - The number of people living per unit (usually per square mile), Urbanization - The process when towns and cities grow bigger as more people begin living and working in those areas, Carrying Capacity - The maximum number of people who can be supported in an area, Crowding - A large number of people fill a space almost completely leaving little to no room., Megacity - A large city with a population of over ten million people., Pollution - The presence in the environment of a substance or thing that has harmful or poisonous effects, Infrastructure - The basic structures needed of operation and growth. , Footprint - The land and water area that would be required to support the region´s population and lifestyle. , Extinct - No longer existing; when a plant or animal species dies off, we say it is extinct.  , Arable - Land in which crops can be grown., Biodiversity - The variety of species in nature and the genetic diversity within each species, Demographer - A scientist who studies the characteristics of human populations, such as size and growth rate. , Sanitation - The prevention of disease and promotion of good hygiene by maintaining clean conditions and safe drinking water,

DEFINITIONS POPULATION

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