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Exponential Growth

Exponential Growth. Each year the population grows by a greater amount than the previous year The human population will add more people this year than it did last year Like compounding interest in a bank account. Density-Dependent Limiting Factors. Availability of Resources Space Disease

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Exponential Growth

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  1. Exponential Growth • Each year the population grows by a greater amount than the previous year • The human population will add more people this year than it did last year • Like compounding interest in a bank account

  2. Density-Dependent Limiting Factors • Availability of Resources • Space • Disease • Buildup of waste • Predators • War/fighting

  3. Density-Independent Limiting Factors • Natural disasters • Climate change • Human activities

  4. Carrying Capacity • All populations have a maximum population or a carrying capacity • Some populations level off at or around the carrying capacity

  5. Predator-Prey Oscillations

  6. Overshooting the Carrying Capacity • Can damage the habitat • Some populations end up lowering their carrying capacity • Others go extinct 

  7. Survivorship Curves

  8. World Population

  9. Human Population Growth

  10. Where is it Happening?

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