Time.
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pie graph
you use a graph to see your progress
They can be - in a horizontal bar graph or a population pyramid.
BAR GRAPH!
graph
Time.
A line graph would be used for population [change] because you are showing how the population increases or decreases over time. If you are talking about comparing different populations at one given time, then a bar graph or pi chart would be used.
Google: "panda population graph"
They both are increasing.
To make a good graph title, just state what your graph is about. If the line graph (example) shows the population of England, your graph title should be 'Population of England Over Time'.
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pie graph
just go to www.google.com and type "graph of population of pandas"but without the "".
18
you use a graph to see your progress