The National Agricultural Library, along with the USDA and the American Society of Animal Science are collaborators on this website of animal science images. The images, animations, and videos, which also have...

Created for the Connected Curriculum Project, this module models population as a function of time in a setting where there is a maximum population M that the environment will support. More specifically, to see that we...

This lesson reinforces the idea that Earth's population, including the population of the United States, is growing at a dramatic rate. It discusses some of the basics of demography, the study of population and its...