LEC_wk1_SamplePresentation-HumanPopulation[1] - 1/23/2011...

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1 Sample Presentation Exponential Growth of the Human Population : Can Limiting Factors Can Control Our Population? By: Kate Medina January 24, 2011 1. How has the human population changed over time? 2. What are population limiting factors? 3. What are the future projections for human population? Black Death (the Plague) Industrial Revolution Homo sapiens exist as hunters and gatherers Evidence of herding and agriculture Major climate change 1 Billion B.C 20,000 B.C. 5,000 B.C. 1600 1890 1950 2010 Estimated Years 7 6 5 4 3 2 1 0 Human Population Size in Billions Wide Spread Use of Pesticides Penicil in is Invented a LIMITING FACTOR is a condition or element that controls a population size. Predators Famine Disease War Political or Social Climate Availability of Contraceptives Demographic Transition Empowerment of Women What are some of the factors affecting trends in global population growth? © Chiamiov, Xiong. http://www.cia.gov/cia/publications/factbook/fields/2002.html CIA factbook
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This document was uploaded on 11/02/2011 for the course BIOLOGY Bi 105 at Montgomery.

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LEC_wk1_SamplePresentation-HumanPopulation[1] - 1/23/2011...

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