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Human Impacts

Topic 7, Lesson 1: Population Growth and Resource Consumption

QuestionAnswer
birth rate the number of people born per 1,000 individuals for a certain period of time
death rate the number of deaths per 1,000 individuals in a certain period of time
exponential growth a rate of change that increases more and more rapidly over time
pollution contamination of Earth's land, water or air through the release of harmful substances into the environment
overpopulation a condition in which the number of humans grows beyond what the available resources can support
conservation the practice of using less of a resource so that it can last longer
sustainable use the practice of allowing renewable resources time to recover and replenish
estimate to make an approximate calculation
constraint limit or restriction
Created by: ScienceWTRMS