APES Population Equations Flashcards
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Questions and Answers

What is Population Density defined as?

  • Total area ÷ total population
  • Total population ÷ total area (correct)
  • Total deaths ÷ total population
  • Total births ÷ total population
  • What is the formula for Birth Rate as a %?

    (total births ÷ total population) ×100

    What does the Birth Rate per 1,000 represent?

    (total births ÷ total population) ×1,000

    What is the Death Rate as a % formula?

    <p>(total deaths ÷ total population) ×100</p> Signup and view all the answers

    How is the Death Rate per 1,000 calculated?

    <p>(total deaths ÷ total population) ×1,000</p> Signup and view all the answers

    What does Crude Birth Rate refer to?

    <p>(total # births ÷ total population) ×1,000</p> Signup and view all the answers

    What is the formula for Crude Death Rate?

    <p>(total # deaths ÷ total population) ×1,000</p> Signup and view all the answers

    How is the Population Growth Rate calculated?

    <p>((births+immigration)-(deaths+emigration)÷total population) ×100</p> Signup and view all the answers

    What does Population Change indicate?

    <p>((births+immigration)-(deaths+emigration)÷total population)</p> Signup and view all the answers

    What is the formula for Doubling Time?

    <p>(70 ÷ % growth rate) = years to double</p> Signup and view all the answers

    How is the Rate of Change defined?

    <p>(new-old) ÷ old</p> Signup and view all the answers

    What does Percent Change measure?

    <p>((new-old) ÷ old) ×100</p> Signup and view all the answers

    What is the Natural Rate of Population Increase?

    <p>births - deaths</p> Signup and view all the answers

    Study Notes

    Population Density

    • Calculated by dividing total population by total area.

    Birth Rate as a Percentage

    • Represents the proportion of births relative to total population.
    • Formula: (total births ÷ total population) × 100.

    Birth Rate per 1,000

    • Indicates the number of births per 1,000 individuals in the population.
    • Formula: (total births ÷ total population) × 1,000.

    Death Rate as a Percentage

    • Represents the proportion of deaths relative to total population.
    • Formula: (total deaths ÷ total population) × 100.

    Death Rate per 1,000

    • Indicates the number of deaths per 1,000 individuals in the population.
    • Formula: (total deaths ÷ total population) × 1,000.

    Crude Birth Rate

    • Measures the number of births in a population.
    • Formula: (total # births ÷ total population) × 1,000.

    Crude Death Rate

    • Measures the number of deaths in a population.
    • Formula: (total # deaths ÷ total population) × 1,000.

    Population Growth Rate

    • Represents the overall change in population size due to births, deaths, and migration.
    • Formula: ((births + immigration) - (deaths + emigration) ÷ total population) × 100.

    Population Change

    • Measures the variation in population over time.
    • Formula: (births + immigration) - (deaths + emigration) ÷ total population.

    Doubling Time

    • Estimates the time required for a population to double in size.
    • Formula: 70 ÷ % growth rate = years to double.

    Rate of Change

    • Measures the change over time relative to the old value.
    • Formula: (new - old) ÷ old.

    Percent Change

    • Expresses the change as a percentage of the old value.
    • Formula: ((new - old) ÷ old) × 100.

    Natural Rate of Population Increase

    • The difference between total births and total deaths in a population.
    • Indicates the growth potential without migration factors.

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    Description

    Test your knowledge of key population equations with these flashcards designed for the AP Environmental Science curriculum. Each card covers essential definitions and calculations related to population density, birth rates, and death rates. Perfect for mastering the concepts needed for your AP exam.

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