Population Ecology
More science games & videos on Ecosystems at NeoK12.com
http://www.worldbank.org/depweb/english/modules/social/pgr/index.html
Find out the area of countries and the population as well as the population density. It's amazing how many people can fit into such a small area. How do we do it? Is it even good?
http://www.worldatlas.com/aatlas/populations/ctypopls.htm
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