apes
🙏 Free review 2020
Required Environmental Legislation
- Why Do I Need to Know These?
- What Are The Required Pieces of Legislation?
- Laws Involving the Disposal of Hazardous Wastes
- RCRA: Resource Conservation and Recovery Act
- CERCLA: Comprehensive Environmental Response, Compensation, and Liability Act
- Air & Water Protection
- Clean Air Act
- Clean Water Act
- Safe Drinking Water Act (SDWA)
- Biodiversity Protection
- CITES: Convention on Int’l Trade in Endangered Species of Wild Fauna & Flora
- Endangered Species Act
- Commonly Confused International Protocols
- Montreal Protocol
- Kyoto Protocol
- Carcinogens
- Delaney Clause Of Food, Drug, and Cosmetic Act
Major Environmental Disasters
- Why Do I Need to Know These?
- What Are These Major Environmental Disasters?
- Unit 6 - Energy Resources - Disasters
- Chernobyl, Ukraine
- Three Mile Island, Pennsylvania
- Fukushima Daiichi Reactor, Japan
- Exxon Valdez, Alaska
- Unit 7 - Air Pollution - Disasters
- Great Smog, London
- Unit 8 - Aquatic/Terrestrial Pollution, Waste, and Toxicity - Disasters
- Bhopal, India
- Love Canal, New York
- Minamata Bay, Japan
- Unit 9 - Global Change - Disasters
- Great Barrier Coral Reef Bleaching, Australia, Pacific Ocean
✍️ Free Response Questions (FRQs)
🏜 Unit 1: The Living World: Ecosystems
🐠 Unit 2: The Living World: Biodiversity
👪 Unit 3: Populations
3.0Unit 3 Overview: Populations
- ⚡ Key Terms
- 3.1 Generalist and Specialist Species
- 3.2 K Selected and r selected species
- 3.3 Survivorship curves
- 3.4 Carrying Capacity
- 3.5 Population Growth and Resource Availability
- 3.6 Age Structure Diagrams
- 3.7 Total fertility rate
- 3.8 Human Population Dynamics
- 3.9 Demographic Transition
- ⚡ Quick Study - Key Terms
🌏 Unit 4: Earth Systems and Resources
🏖 Unit 5: Land and Water Use
⚡️ Unit 6: Energy Resources and Consumption
💨 Unit 7: Atmospheric Pollution
♻️ Unit 8: Aquatic and Terrestrial Pollution
🔥 Unit 9: Global Change
🧐 Multiple Choice Questions (MCQs)
3.5 Population Growth and Resource Availability
#population
#resourceavailability
⏱️ 1 min read
written by
karla jauregui sandoval
April 29, 2020
Population Growth refers to the rate a population can grow however it is limited by the availability of resources in a habitat, space and competition between species. Species with more offspring outcompete the species with the slower population growth rate.
Exponential Growth
An exponential growth is when populations grow at their intrinsic rate of increase (r) and are limited by resource increase by a fixed rate each year. This type of exponential growth is described using a J Curve because of the shape of the accelerated growth rate. An example of a species with an exponential growth is bacteria. The population size of bacteria grows exponentially because there are no limiting factors on their growth.
Diagram Courtesy of Encyclopedia Britannica, Inc.
Logistic Growth
A logistic population growth model shows a population exponentially growing until environmental resistance such as limited factors make it reach its carrying capacity. The population growth makes an S shaped curve.
Diagram Courtesy of Encyclopedia Britannica, Inc.
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