Demonstrates how all living things depend on other things to survive. Features an interactive question-and-answer format and hands-on activities.
General Note
Program originally produced in 1994.
DVD features: science quiz; interactive glossary; What do you know?; Try this! Make a food web; Wetlands food web; Lost laffs from the lab; science standard clips.
DVD-ROM features: teacher's guide, Internet links, wallpaper/screen saver.