Audience: Students; Grades: 6-8; Subject: Science. (2003) Explores the living and non-living components of environments and the relationships between them. Identifies the major abiotic components found in ecosystems, including temperature, water, soil type, and wind. Also looks at the biotic components of ecosystems and their interactions with the physical environment. Explains how scientists categorize areas into natural communities. Explores how energy flows in ecosystems through the food web of producers, consumers and decomposers. Explains the concept of biodiversity. Program concludes with a 10-question video quiz. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfM0toUHJnUjduS3M&usp=sharing