NRS 100 Midterm: NRS 100 Exam #2: Spring 2018

• School: URI
• Department: Natural Resources Science
• Course: NRS 100
• Professor: Brett Still

Document Summary

Environmental resistance: factors that limit population growth. Carrying capacity: max. population of a species that a habitat can sustain indefinitely. Cultural carrying capacity: total # of people who can live in reasonable freedom and comfort indefinitely, without decreasing the ability of the earth to sustain future generations. Environmental refugees: people who have to leave their homes and sometimes their countries because of food/water shortages, soil erosion, or other form of environmental degradation. Infant mortality rate: # of live births that die in the first year. Total fertility rate: # of children born to a woman of childbearing age in a population. Replacement-level fertility rate: average # of children a couple must have to replace themselves. Three trends to human population growth: rate of population growth has slowed (1. 2%, human population growth is unevenly distributed geographically, people are moving from rural to urban areas. Causes: economic improvement, religious and political freedom, wars. Children as a part of the labor force.