Faculty and staff at the University of Arizona have developed an "interactive online resource for learning biology" based on an entry-level biology course, for use by high school and college-level students. The site is divided into seven subject areas: biochemistry, cell biology, developmental biology, human biology, Mendelian genetics, immunology, and molecular biology. Within each subject there...

Elliott Kimmel may have created zeroBio for the students of London, Ontario's Central Secondary School, but high school biology students anywhere would benefit tremendously from a visit to this extensive collection of biology learning resources. In addition to functioning as an online biology textbook, zeroBio offers dissection photos for a number of specimens, multimedia presentations,...

This Science NetLinks activity offers a brief but engaging look at the biology of teenage klutziness. After listening to or reading the Science Update radio segment, students then read more about the science behind the story in the Web site. A handful of discussion questions helps students review and think further about the material. The site also provides links to more information -- PBS...

This Web site from the Canadian Lung Association contains an excellent collection of learning resources about the respiratory system for grades 1-12. Content varies according to grade range; for instance, the section for grades 1-3 covers basics of lungs and their function with an illustrated story, coloring book, interactive games, and downloadable worksheets. Older students focus in on smoking,...