Geography 2010A/B Study Guide - Midterm Guide: National Energy Program, Hutterite, Red River Rebellion

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High birth rates and high death rates; little to no natural increase so a stable population. Death rates fall (b/c of improved medicine) but high birth rates so large natural increase. Falling birth rates; high but declining rate of natural increase. Low birth and death rates so little to natural increase and a stable population. Birth rate has fallen below death rate causing a decline in population. Population size varied depending on food, weather, animal migrations. Exposure to new diseases and loss of hunting land led to decreases in population. Rising fertility rates and high mortality rates results in population stabilization. High fertility rates and low mortality rates results in an increase in population. 40,000 years ago first people arrived in canada via the bering land bridge. 18,000 years ago canada is covered by a continental ice sheet. 10,000 years ago first trade among tribes. 5000 laurentide ice sheet began retreated to uncover nunavut.