This program presents examples of how living things depend on each other for survival. As food chains and webs are an important part of every ecosystem, students can learn how humans are a part of many food chains, as well as develop an understanding of the interdependence of the members of a food chain or web in a natural community.

Teacher's guide available under Additional info tag. Also available VHS#107754 1 DVD & 1 CD-ROM.

Segments include: -Introduction -Food chains and webs in nature -Food chains -Producers and consumers -Scavengers and decomposers -Food webs -Food chains and food webs are strong -People depend on food chains and food webs -Summary.