In this program students are introduced to the study of ecosystems. It discusses the role which producers, consumers, and decomposers play in ecosystems and the exchange of energy between them. Other terminology includes: environment, interconnected, species, community, population, and natural communities.

Originally released by Visual Learning, 2017. Streaming video file encoded with permission for digital streaming by Infobase on September 27, 2017.

Ecosystems: Introduction (1:20); --Ecology (1:14); -- Ecosystems (1:07); -- Abiotic Components (1:59); -- Biotic Components (2:27); -- Roles in Ecosystems (1:51); -- Energy in Ecosystems (0:49); -- Summing Up (0:58); -- Video Assessment (1:13); -- Credits: Ecosystems (0:46); .