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Review

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Break into groups so that it is balanced with people who were present for the lesson with people who were absent for the lesson. Using the next 2 graphs spend a few minutes in your group talking about a population pyramid. Include: 1. Where to find the male & female information 2. Where to find the total population 3. Where to find the age data 4. The differences between a graph for an MDC and and LCD or LLDC 5. Three pieces of information or generalizations you can make about a graph.

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LDC High birth and death rate means that this is an LDC Sudden decrease in population from 20 onward. Low education/health care

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MDC Low birth and death rates mean an MDC Relatively high senior population means good health care Slightly more senior females than males is average for an MDC

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Look at the following graph. On a piece of scrap answer the following: MDC or LDC? How do you know? What could you say about this nation? Once completed trade your sheets with others to correct them and give them back.

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LDC (Ethiopia) High birth and death rates Pyramid gets smaller at the top due to poor health care and natural mortality FYI – the sharp decrease in population from 0-4 and 5-9 is due to child mortality. If children die here they will usually die before their 5 th birthday. This happens at a rate of roughly 1.5 – 2 million a year.

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Get a piece of graph paper from the teacher to graph the data on the population data sheet Label the graphs Country 1 and Country 2 You may do this in pairs but no more. On the back answer the following: MDC or LDC? How do you know? 2 predictions about the country… Be prepared next class to do one on your own.

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MARCH 11, 2015 POPULATION PYRAMIDS. POPULATION PYRAMID A graph that depicts population distribution by age and sex Youngest on the bottom, oldest on the.

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