ERTH 4303- Midterm Exam Guide - Comprehensive Notes for the exam ( 23 pages long!)

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If individuals have to compete for resources, then there is a balance between growth and decline, and the population is stable. Carrying capacity is dependent on food supply, therefore, carrying capacity will diminish over time. Once an ecosystem approaches or exceeds its carrying capacity, it can either stabilize or decrease dramatically. As a country"s gdp increases, people eat more food. It is estimated that poorer countries will undergo an increase in economic growth, allowing them to eat more food and ultimately contributing to decrease in the carrying capacity of. The carrying capacity of earth also depends on factors such as the availability of fuel and other raw materials required to build the machines that permit high agricultural yields. Frog in a pot model: a frog will adjust to its surroundings by increasing its internal body temperature in a pot of water reaching a boil.

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