How populations growHow populations grow

Section 5.1Section 5.1

Characteristics of populationsCharacteristics of populations

Geographic distribution (range)Geographic distribution (range)

Population densityPopulation density

Growth rateGrowth rate

Age structureAge structure

Geographic distributionGeographic distribution

Population densityPopulation density

Number of redwoods on the Olympic Number of redwoods on the Olympic PenninsulaPenninsula

Population densityPopulation density

Number of penguins in the Crozet Number of penguins in the Crozet Archipelago Archipelago

Growth rateGrowth rate

Growth rateGrowth rate

Depends on: Depends on: Birth ratesBirth rates

Death ratesDeath rates ImmigrationImmigration EmigrationEmigration

Age structureAge structure

Graphical representation of gender Graphical representation of gender and age groups in an area/countryand age groups in an area/country

Growth patternsGrowth patterns

Exponential Exponential Occurs under ideal Occurs under ideal

conditionsconditions Out of control Out of control

growthgrowth

Logistic Logistic Occurs as resources Occurs as resources

become less become less availableavailable

Population growth Population growth slows/stopsslows/stops

Eventually a carrying Eventually a carrying capacity is reachedcapacity is reached

Carrying capacityCarrying capacity

Number of eggs in a cartonNumber of eggs in a carton

Number of ounces in a gallon of milkNumber of ounces in a gallon of milk

Students in a roomStudents in a room

Now you come up with some Now you come up with some examples!examples!

Complete Analyzing Data Complete Analyzing Data

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