🙏 Free review 2020
Major Environmental Disasters
Required Environmental Legislation
✍️ 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
karla jauregui sandoval
April 29, 2020
A population is a group of organisms of the same group of species that live in a particular geographic area. Each population needs specific resources due to size, reproduction strategies and survival curves. Their ecosystem provided them with resources for growth however there is a limit to what an ecosystem can provide.
Image Courtesy of Wikimedia
If ecosystems had an infinite amount of resources, populations would grow exponentially however we do not see this occur because of carrying capacity. A carrying capacity is the maximum population size of the species that the environment can sustain, given the food, habitat, water, sunlight and other necessities available in the environment.
Once a population hits a carrying capacity because of limiting resources there is an overshoot in the population number and many die offs. There are two types of ways to graph population growth - exponential and logistic growth.
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