Go to https://www.learner.org/courses/envsci/interactives/demographics/ Then click the link labeled Open Simulator, which will bring up a simulator, which is pre-loaded with demographic data from various countries Follow the instructions given on the work

Go to https://www.learner.org/courses/envsci/interactives/demographics/ Then click the link labeled Open Simulator, which will bring up a simulator, which is pre-loaded with demographic data from various countries Follow the instructions given on the work.

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  1. Go to https://www.learner.org/courses/envsci/interactives/demographics/
  2. Then click the link labeled Open Simulator, which will bring up a simulator, which is pre-loaded with demographic data from various countries
  3. Follow the instructions given on the worksheet.

Caveats:

  • This assignment does not involve going through the “lessons” given on the site. Instead, you will go through exercises designed by your instructor, as indicated in the directions on he worksheet.
  • Ignore the data worksheet provided on the website, and use only the worksheet provided by the instructor.
  • Carrying out the lessons given on the site cannot be used as a substitute for following the directions given on the worksheet provided by the instructor.
  • The best guide for using the simulator and completing the experiment is the following video “Information about Lab 4”. It is a bit long at 13.5 minutes, but it may well be worth the investment of time, in saving you from frustration.
  • Fill this sheet out and submit via the link given in Blackboard.

    Begin by going to the following website:


    https://www.learner.org/courses/envsci/interactive…

    T
    hen click the link labeled Open Simulator.

    This will bring up a simulator, which is pre-loaded with demographic data from various countries.

    Part 1. Population Growth and Age Structure DiagramsInstructionsUsing the tool provided on the website, examine the 2015 population and the simulated 2050 population for the following three countries: USA, Brazil, and Nigeria. Don’t change any of the default settings for the country of interest. On the data sheet, record the population size and the population growth rate, and also match the overall profile of the age structure diagram to one of the reference shapes given below. Also record the projected 2050 results, as follows. Without changing any of the default settings for the country of interest, click the Step button 7 times, which advances the simulation to the year 2050. (Each click of the step button advanced the simulation 5 years). Then, write down the projected population for 2050, as well as age structure shape that most closely matches the simulation. Record this information in the following data tables.

    1.
    Fill in the Data Tables.
    Data Table
    (2015)
    USA
    Brazil
    Nigeria
    What I’m looking for, for each row.
    2015 Population
    Population
    Size
    Population in 2015 at the start of the simulation. Looking for a number (in millions), e.g.
    300 M.
    Age Structure Shape
    Shape of Age structure diagram in 2015 at the start of the simulation. Looking for a match to one of the reference shapes, e.g.
    Shape 3
    Overall Growth Rate
    Growth rate in 2015 at the start of the simulation. Looking for a number expressed as a percentage, e.g.
    1.3%
    Data Table
    (20
    50
    )
    USA
    Brazil
    Nigeria
    What I’m looking for, for each row.
    2050 Population
    Population
    Size
    Projected population in 2050 from the end of the simulation. Looking for a number (in millions), e.g.
    300 M.
    Age Structure Shape
    Shape of Age structure diagram in 2050 from the end of the simulation. Looking for a match to one of the reference shapes, e.g.
    Shape 3
    Overall Growth Rate
    Projected growth rate for 2050, at the end of the simulation. Looking for a number expressed as a percentage, e.g.
    1.3%

    Table of Reference Shapes

    Shape 1
    Shape 2
    Shape 3
    Shape 4
    Shape 5
    Table of Age Structure Shapes to Match

    Questions for Part 12. What clues from the shape of the age structure diagram tell you whether a population has positive or negative growth rates? 3. In our textbook, Figure 16.12 (p. 324) designates individuals in the ages of 0-14 as “pre-reproductive individuals”, and individuals between the ages of 15 and 44 as “reproductive individuals”. Explain how we can get some idea of whether a population is growing or shrinking by comparing the population levels of pre-reproductive individuals to reproductive individuals. Part 2. Population MomentumInstructions: Simulate what would happen if Nigeria were to suddenly have the birth rates of the United States. The step-by-step directions are as follows:


    Call up the information for Nigeria (which is growing at a high rate).

    Enter the editing menu for the vital rates of birth by clicking on the pencil that is shown in the vital rates chart. When you get into the menu for editing the birth rates, look at the “Use rates from ______” feature. Use the
    pull down
    menu to select the values for
    the United States
    (which has a low
    er
    birth rate).

    Click the Step button 7 times, which advances the simulation to the year 2050.
    o
    As you go, watch the population size, the growth rate and the age structure
    diagrams
    ,

    Questions:4. What happens to the population size immediately after the birth rate is abruptly dropped in this simulation? 5. After the birth rate went down abruptly, in this simulation, at what point in the future did the simulation show that the population size was leveling off or starting to decrease?6. Why doesn’t the population size drop immediately when the birth rate is thus diminished?

Go to https://www.learner.org/courses/envsci/interactives/demographics/ Then click the link labeled Open Simulator, which will bring up a simulator, which is pre-loaded with demographic data from various countries Follow the instructions given on the work

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