Concord Consortium
Center of Population
Let the resource take center stage in a lesson on population density. Scholars use provided historical data on the center of the US population to see how it shifted over time. They plot the data on a spreadsheet to look the speed of its...
Curated OER
Grasshopper Mark and Recapture (GMR)
Students estimate the density of a population of insects (grasshoppers) at a given life cycle stage in a given type of habitat.