sound recording-nonmusical txu Austin, Tex Holt, Rinehart and Winston [2000] 2000 California ed. monographic eng digital ; 4 3/4 in. Presents a reading audio program to guide students through the chapters of Holt science & technology's textbook Life science. Student text. Unit 1. The study of living things. The world of life science -- It's alive, or, is it? -- Light and living things -- Unit 2. Cells. Cells, the basic units of life -- The cell in action -- Unit 3. Heredity, evolution, and classification. Heredity -- Genes and gene technology -- The evolution of living things -- The history of life on Earth -- Classification -- Unit 4. Plants. Introduction to plants -- Plant processes -- Unit 5. Animals. Animals and behavior -- Invertebrates -- Fishes, amphibians, and reptiles -- Birds and mammals -- Unit 6. Ecology. The Earth's ecosystems -- Environmental problems and solutions -- Unit 7. Human body systems. Body organization and structure -- Circulation and respiration -- Communication and control -- Reproduction and development. In 3-ring binder (26 cm.). Life sciences Study and teaching (Middle school) Science Study and teaching (Middle school) RZC 1041 574 BAS 0030556546 2007659473 9-99-714465-1 Holt, Rinehart and Winston DLC 071115 20141118115944.0 15082483