1. The population of the world is changing - Edexcel - GCSE Biology - Question 1 - 2011 - Paper 1
Question 1
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:1. 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. The line rises steadily, indicating a consistent upward growth during this period.
Step 2
Calculate the difference in world population between 1980 and 2000.
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Answer
From the graph, the world population in 1980 was approximately 4.5 billion, and in 2000 it was about 6.0 billion. Therefore, the difference in world population between 1980 and 2000 is:
