🙏 Free review 2020
Required Environmental Legislation
Major Environmental Disasters
✍️ Free Response Questions (FRQs)
🏜 Unit 1: The Living World: Ecosystems
1.1Introduction to Ecosystems
1.10Energy Flow and the 10% Rule
🐠 Unit 2: The Living World: Biodiversity
2.5Natural Disruptions to Ecosystems
👪 Unit 3: Populations
3.0Unit 3 Overview: Populations
3.1Generalist and Specialist Species
3.2K-Selected r-Selected Species
🌏 Unit 4: Earth Systems and Resources
4.3Soil Composition and Properties
🏖 Unit 5: Land and Water Use
5.7Meat Control Methods
5.9Impacts of Mining
⚡️ Unit 6: Energy Resources and Consumption
6.0Unit 6 Overview: Energy Resources and Consumption
💨 Unit 7: Atmospheric Pollution
7.1Introduction to Air Pollution
7.5Indoor Air Pollutants
7.6Reduction of Air Pollutants
♻️ Unit 8: Aquatic and Terrestrial Pollution
🔥 Unit 9: Global Change
9.1Stratospheric Ozone Depletion
9.4Increases in the Greenhouse Gases
⏱️ 1 min read
karla jauregui sandoval
May 18, 2020
Diagram Courtesy of Max Roser
Stage 1 ➪ High CBR, High CDR, low growth rate
Stage 2 ➪ High CBR, lowering CDR, high growth rate
Stage 3 ➪ lowering CBR, lowering CDR, lowering growth rate
Stage 4 ➪ low CBR, low CDR, low/negative growth rate
Birth rate is high to compensate for high infant mortality rate. Poorer countries are in this stage.
Industrialization begins. Access to food and improved healthcare lowers death rate.
Death rate drops due to improved medicine, and modernization. Mostly developed countries are in this stage.
Birth rate drops to equal zero population growth. If Birth rate falls below death rate than population will decrease
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