Online Biology Book

Written by: Dr. Michael J. Farabee (Estrella Mountain Community College, Avondale, AZ)

One thing that always frustrated me with textbooks is when the authors use terms and force me to either remember something from 10 chapters earlier or find it myself. Michael J. Farabee seems to understand and has included hyperlinks throughout his free online biology book to a comprehensive glossary.

Farabee was associated with Maricopa Community Colleges, a consortium of 10 community colleges and two skill centers near Phoenix, Arizona. Farabee is now serving as a Residential Faculty Member at Estrella Mountain Community College in Avondale, AZ. He has been a Visiting Assistant Curator for Palynology, an instructor at Wuyi University in the People’s Republic of China, and has dove the coral reefs in the Bahamas and Belize.

His online biology book includes many color graphs, illustrations and charts. Each chapter includes review questions (sorry, no answer key) and a series of links to other online resources for further study.

Table of Contents for The Online Biology Book

  1. Introduction: The Nature of Science and Biology
  2. Chemistry I: Atoms and Molecules
  3. Chemistry II: Water and Organic Molecules
  4. Cells I: Origins
  5. Cells II: Cellular Organization
  6. Transport In and Out of Cells
  7. Cell Division: Binary Fission and Mitosis
  8. Cell Division: Meiosis and Sexual Reproduction
  9. Laws of Thermodynamics
  10. Reactions and Enzymes
  11. ATP and Biological Energy
  12. Cellular Metabolism and Fermentation
  13. Photosynthesis
  14. Introduction to Genetics
  15. Gene Interactions
  16. DNA and Molecular Genetics
  17. Human Genetics
  18. Protein Synthesis
  19. Control of Gene Expression
  20. Plants and Their Structure
  21. Plants and Their Structure II
  22. Flowering Plant Reproduction: Flower Structure
  23. Flowering Plant Reproduction: Fertilization and Fruits
  24. Plant Hormones and Nutrition
  25. Animal Cells and Tissues
  26. The Integumentary System
  27. The Circulatory System
  28. Lymphatic System and Immunity
  29. The Digestive System
  30. The Nervous System
  31. The Endocrine System
  32. The Muscular and Skeletal Systems
  33. The Respiratory System
  34. The Excretory System
  35. Development of Evolutionary Theory
  36. The Modern View of Evolution
  37. Paleobiology: Fossils and Time
  38. Paleobiology: The Precambrian: Life’s Genesis and Spread
  39. Paleobiology: The Early Paleozoic
  40. Paleobiology: The Late Paleozoic
  41. Biological Diversity: Classification
  42. Biological Diversity: Viruses
  43. Biological Diversity: Bacteria and Archaeans
  44. Biological Diversity: Protists: Stem Eukaryotes
  45. Biological Diversity: Fungi
  46. Biological Diversity: Nonvascular Plants and Nonseed Vascular Plants
  47. Biological Diversity: Seed Plants
  48. Biological Diversity: Animals I
  49. Biological Diversity: Animals II
  50. Biological Diversity: Animals III
  51. Human Evolution
  52. Population Ecology
  53. Community and Ecosystem Dynamics
  54. The Biosphere and Mass Extinctions
  55. Glossary
  56. Diversity in Biology


An alternate location for this textbook is the website of Dr. Robert W. Ridge, a Professor of Biology and was the Chair of the Graduate School Division of Natural Sciences at the International Christian University in Mitaka, Tokyo, Japan. (


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Online Biology Book

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