The Focus On Elementary Biology Student Textbook, 3rd Edition introduces young students to the scientific discipline of biology. Students will learn about the history of the study of biology; tools used by biologists; characteristics of living things; how scientists sort living things into groups (taxonomy); cells and their makeup and functions; how plants make food (photosynthesis); parts of a plant and their functions; life cycles of plants, butterflies, and frogs; microscopic organisms (protists) and how they move and eat; viruses, bacteria, and archaea; fungi, molds, mushrooms, and yeasts; animal cells; many different animal phyla; and more.The Focus On Elementary Biology Student Textbook, 3rd Edition has 16 full-color chapters, a glossary-index, and pronunciation guides. 162 pages. Grades K-4.