The population of the world is changing - Edexcel - GCSE Biology - Question 1 - 2011 - Paper 1
Question 1
The population of the world is changing.
The graph shows this change between 1950 and 2010. An estimate of the changes between 2010 and 2050 is also shown.
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Worked Solution & Example Answer:The population of the world is changing - Edexcel - GCSE Biology - Question 1 - 2011 - Paper 1
Step 1
State the general trend shown in the graph between 1980 and 2000.
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Answer
The general trend shown in the graph between 1980 and 2000 is an increase in world population. This reflects a steady growth in population numbers during this period.
Step 2
Calculate the difference in world population between 1980 and 2000.
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Answer
In 1980, the world population was approximately 4.5 billion, and in 2000 it was about 6.0 billion. To find the difference:
Difference = Population in 2000 - Population in 1980
Difference = 6.0 billion - 4.5 billion
Difference = 1.5 billion.
Thus, the difference in world population between 1980 and 2000 is 1.5 billion.
