Hosts, Linda M. Grisham and Douglas Zook ; narrator, Anna Lewicke
VHS.
Closed captioned.
pt. 1. What is life? -- pt. 2. Classifying living things -- pt. 3. Animal life cycles -- pt. 4. Plant life cycles -- pt. 5. Variation, adaptation, and natural selection -- pt. 6. Evolution and the tree of life -- pt. 7. Energy flow in communities -- pt. 8. Material cycles in ecosystems