Ecosystems: Mountain, Forest, & Meadow

Complete catalog record
Capsule treatment of common ecosystems found mainly in hte Western United States. Show climate acting as the "Key" to what a particular environment is, that the living things are a product of the environment and that there is a dynamic equilibrium between the living and the non-living.

Related films

Sources

  1. 16mm Filmography (legacy record) — title, creator, length, catalog record