![Page 1: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/1.jpg)
PopulationsPopulationsHow they grow and what affects them
![Page 2: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/2.jpg)
Characteristics of a Characteristics of a PopulationPopulationPopulation Density
◦How many organisms in a specific area
Geographic Distribution◦Where is the population located
Growth Rate◦How much is the population
changing
![Page 3: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/3.jpg)
Growth RateGrowth RateFactors that affect the Growth
Rate◦# of births◦# of deaths◦Individuals leaving or entering the
population Immigration: Entering IN to a population Emigration: EXITING a population
![Page 4: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/4.jpg)
Types of GrowthTypes of GrowthExponential
◦J Curve◦Reproduction happens at a constant
rate◦Happens under ideal conditions with
unlimited resources
![Page 5: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/5.jpg)
![Page 6: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/6.jpg)
Types of GrowthTypes of GrowthLogistical
◦S Curve◦Population continues to grow but at
a slower rate◦Happens when resources
become scarce
![Page 7: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/7.jpg)
![Page 8: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/8.jpg)
What did you say?What did you say?Carrying Capacity
◦This is the number of individuals a given environment can sustain for a specific population
Carrying Capacity!
![Page 9: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/9.jpg)
Limiting FactorsLimiting FactorsWhat limits the growth of a
population?◦Density Dependent: Only become
limiting when the population reaches a certain level of density
◦Density Independent: Affect all of the populations in the same way.
![Page 10: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/10.jpg)
Density DependentDensity DependentCompetitionPredationDiseaseParasites
![Page 11: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/11.jpg)
![Page 12: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/12.jpg)
Density IndependentDensity IndependentWeatherNatural disastersHuman Factors
◦Damming Rivers◦Deforestation ◦Controlled Burns
![Page 13: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/13.jpg)
Human Population GrowthHuman Population Growth
![Page 14: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/14.jpg)
![Page 15: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/15.jpg)
![Page 16: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/16.jpg)
World Population VideoWorld Population Video
![Page 17: Populations How they grow and what affects them. Characteristics of a Population Population Density ◦ How many organisms in a specific area Geographic](https://reader036.vdocument.in/reader036/viewer/2022062423/56649e695503460f94b66551/html5/thumbnails/17.jpg)