Slides for this investigation
Essential Question: How has the land in the Portland Metro area changed over time?
Task: Determine the area of urban/developed space (each square is 1 square kilometer) for your assigned region/city. Also, make observations about the non-urban (farm and natural) areas.
My group is investigating _____________________________
Record your data and observations in the spreadsheet (make sure to check your location’s tab at the bottom).
Data Discussion
- How did the areas change over time?
- How much variation was there in the replicant groups’ data? (Look at the standard deviation calculation.)
- Compare your location’s graph to other locations. Did each location change similarly, or are there differences?
One similarity between ________ and ________ is…
The most obvious difference between ________ and ________ is…
Reflection Questions (Summarize your class discussion of the questions below.)
- What do you think these data mean for biodiversity in these areas?
- What might a low biodiversity mean for the health of an ecosystem?
- What do you think we could do to increase biodiversity in these areas?
The main points brought up were…
Some ideas addressed…
We discussed ...
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