In any given environment there are hundreds of varieties of plants and animals living together, creating ecosystems. Bill Nye sets up offices in an ocean, a forest, and a field to commune with nature and show what happens when one link falls out of nature's chain.

Teacher's guides available under Additional Info tag. Optional Spanish language track on the DVD version only.

13 segments include:. Introduction. That's a Lot of Environments. Try This!: Build a Bird Shelf. Ecosystems. Way Cool Scientist - Dyanne Sheldon. Consider the Following: Changing Ecosystems. Hey! Look at This!: Go on Safari. The Largest Ecosystem in the World. 5 Things You Can Do to Promote Biodiversity. An Ecosystem on the Golf Course?. Try This!: Growing Mold. Bio di Versity "We're All Connected". Conclusion.