This document is one of ten curriculum guides developed by the Nevada Competency-Based Adult High School Diploma (CBAHSD) Project. This curriculum guide on life science is divided into twelve topics. The topics included are Life Process, Cells, Levels of Organization, Organ Systems, Food and Oxygen-Photosynthesis, Cycles, Energy, Resources, Cell Division, Sexual Reproduction, Inheritance, and Predicting Heredity. Competency statements and performance indicators are designed to be used as pre- and post-tests. Answer keys are also provided. This set of curriculum guides is accompanied by both a teacher's guide and a student handbook. (BM)