BIOL 111 Final: BIO 111 - Final Exam review
26 Oct 2017
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Document Summary
The industrial revolution caused a huge peak in population. The black death (the plague) decreased population shortly before 2000 ad (between. Deep time - modern humans appear about one hour before midnight. Our recorded history starts 12 minutes before midnight . Source of many of the earth"s problems = too many people. Low population growth: high infant mortality, low average lifespan. Localized and population size mitigated environmental impact. Increased impact, but largely sustainable: limited technology, limited population size. Destruction of wildlife habitats from clearing forests and grasslands. Killing of wild animals feeding on grass of crops. Fertile land burned into desert by livestock overgrazing. Towns and cities served as centres for trade, government, and religion. Towns and cities concentrated wastes and pollution and increased spread of diseases. Increase in armed conflict and slavery over ownership of land and water resources: more reliable food supply- decreased importance of wild animals and plants. Increased environmental impacts (overgrazing; deforestations; erosion; habitat loss)
