This website presents the research activities of the pioneering Arizona-Sonora Desert Museum. The Museum's research foci include such areas as community and whole-organism biology, habitat conservation promotion, and...

From the Hydrology and Remote Sensing Laboratory of the USDA Agricultural Research Service (ARS) comes the ARS Water Database Web site. The database is a collection of precipitation and streamflow data from small...

The Association for Biology Laboratory Education (ABLE) was created in 1979 "to promote information exchange among university and college educators actively concerned with teaching biology in a laboratory setting."...

This site (part of naturalist Thomas J. Elpel's larger Wildflowers and Weeds website) exhibits clear photographs of members of the Dandelion Subfamily; and members of a number of tribes in the Aster Subfamily such as the...

This case study looks at the relationship between claims made about diet trends and the actual ways body systems work together to contribute to homeostatsis. The lesson was designed for upper level high school and lower...