Biology - Living Systems Author:Raymond F. Oram This is a high school textbook for Biology. The TOC consists of 8 Units: Characteristics of Life, Heredity, Changes, Diversity, Simple Organisms, Plants, Animals, and Environment. There are 35 Chapters. There are 5 Appendices: A Classification of Living Systems, Respiration and Photosynthesis, Biology-Related Careers, Chemical Symbols and For... more »mulas, and SI Measurement. There is also a glossary and Index. There is a Chapter Review that includes a summary, language of biology, and checking, evaluating, applying, and extending your ideas.« less