Name: _______________________________________________ Per: ______ Date: ___________________ Assignment #: __________ Environmental Science Notes: 9.2 – Changing Population Trends Changing Population Trends A. ____________________________________________ = basic structures and facilities needed to operate a society a. Buildings, roads, water supplies, power plants, schools, hospitals, etc. b. A _____________________________________________ population uses resources at an increased rate Problems of Rapid Growth A. Due to rapid population growth, resources (water, fuel, land) are used ________________________________ __________________________________________________________________________________________. B. Due to overuse of resources, the standard of living has ______________________________. a. Standard of living = level of wealth, comfort, and material goods and necessities C. Fuelwood a. In many poor countries, _______________ is the main source of _______________ b. Wood is used to boil water and cook food c. In rapidly growing populations, trees are cut down f or fuel, resulting in a ____________________ _____________________________________________ D. Unsafe Water a. Some countries must use the water supply for ___________________________________________________ _________________________________________________________________________________________________________ b. Water supplies become contaminated and help spread ______________________________ such as dysentery, typhoid, and cholera E. Impacts on Land a. Growing populations lack enough ______________________________ (land that can be used to grow crops) b. Land is needed for agriculture, housing, and natural habitats
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