Revised for 2007, this edition includes updated content on classification, cellular biology, genetics, and the difference between creation and evolution. Covers microbiology, botany, zoology, ecology, stewardship of the earth, and the basic structure and function of the human body. The student activities are included in the text; answers are in the teacher’s edition. A microscope and some prepared slides are needed for this course; see index for descriptions of models that we carry.