| 12.6 Primate Evolution | 5 | May 1, 2012 |
| 12.5 Radiation of Multicellular Life | 4 | May 1, 2012 |
| 12.3 Origin of Life & 12.4 Early Single-Celled Organisms | 10 | May 1, 2012 |
| 12.2 The Geologic Time Scale | 7 | May 1, 2012 |
| 12.1 The Fossil Record | 4 | May 1, 2012 |
| 17.4 Domains and Kingdoms | 5 | April 19, 2012 |
| 17.3 Molecular Clocks | 3 | April 19, 2012 |
| 17.2 Classification Based on Evolutionary Relationships | 5 | April 19, 2012 |
| 17.1 The Linnaean System of Classification | 5 | April 19, 2012 |
| 10.4 Evidence of Evolution & 10.5 Evolutionary Biology Today | 5 | April 8, 2012 |
| 10.3 Theory of Natural Selection | 7 | April 8, 2012 |
| 10.1 Early Ideas About Evolution & 10.2 Darwin's Observations | 9 | April 8, 2012 |
| 9.6 Genetic Screening and Gene Therapy | 4 | March 25, 2012 |
| 9.5 Genomics and Bioinformatics | 6 | March 25, 2012 |
| 9.4 Genetic Engineering | 7 | March 25, 2012 |
| 9.3 DNA Fingerprinting | 4 | March 25, 2012 |
| 9.2 Copying DNA | 4 | March 25, 2012 |
| 9.1 Manipulating DNA | 7 | March 25, 2012 |
| 8.7 Mutations | 4 | March 8, 2012 |
| 8.6 Gene Expression and Regulation | 4 | March 8, 2012 |
| 8.5 Translation | 6 | March 8, 2012 |
| 8.4 Transcription | 6 | March 8, 2012 |
| 8.3 DNA Replication | 4 | March 8, 2012 |
| 8.2 Structure of DNA | 5 | March 8, 2012 |
| 8.1 Identifying DNA as the Genetic Material | 4 | March 8, 2012 |
| 7.3 Gene Linkage and Mapping (3/2Review) & 7.4 Human Genetics and Pedigrees (2) | 5 | February 12, 2012 |
| 7.2 Complex Patterns of Inheritance | 3 | February 12, 2012 |
| 7.1 Chromosomes and Phenotype (8 review) | 11 | February 12, 2012 |
| 6.5 Traits and Probability (6) & 6.6 Meiosis and Genetic Variation (2) | 8 | February 1, 2012 |
| 6.4 Traits, Genes, and Alleles | 8 | February 1, 2012 |
| 6.3 Mendel and Heredity | 5 | January 30, 2012 |
| 6.2 Process of Meiosis | 4 | January 30, 2012 |
| 6.1 Chromosomes and Meiosis | 10 | January 30, 2012 |
| 5.5 Multicellular Life | 6 | October 22, 2011 |
| 5.4 Asexual Reproduction | 2 | October 22, 2011 |
| 5.3 Regulation of the Cell Cycle | 7 | October 22, 2011 |
| 5.2 Mitosis and Cytokinesis | 10 | October 22, 2011 |
| 5.1 The Cell Cycle | 3 | October 22, 2011 |
| 4.6 Fermentation | 7 | October 22, 2011 |
| 4.5 Cellular Respiration in Detail | 5 | October 22, 2011 |
| 4.4 Overview of Cellular Respiration | 8 | October 22, 2011 |
| 4.3 Photosynthesis in Detail | 8 | October 22, 2011 |
| 4.2 Overview of Photosynthesis | 9 | October 22, 2011 |
| 4.1 Chemical Energy and ATP | 6 | October 22, 2011 |
| 3.5 Active Transport, Endocytosis, and Exocytosis | 4 | October 22, 2011 |
| 3.4 Diffusion and Osmosis | 8 | October 22, 2011 |
| 3.3 Cell Membrane | 5 | October 22, 2011 |
| 3.2 Cell Organelles | 12 | October 22, 2011 |
| 3.1 Cell Theory | 5 | October 22, 2011 |
| 2.5 Enzymes | 7 | October 16, 2011 |
| 2.4 Chemical Reactions | 10 | October 16, 2011 |
| 2.3 Carbon-Based Molecules | 11 | October 16, 2011 |
| 2.2 Properties of Water | 11 | October 16, 2011 |
| 2.1 Atoms, Ions, and Molecules | 9 | October 16, 2011 |
| 27.5 Animal Cognition | 3 | October 9, 2011 |
| 27.4 Social Behavior | 5 | October 9, 2011 |
| 27.3 Evolution of Behavior | 3 | October 9, 2011 |
| 27.2 Instinct and Learning | 8 | October 9, 2011 |
| 27.1 Adaptive Value of Behavior | 5 | October 9, 2011 |
| 24.5 Arthropods and Humans | 2 | September 16, 2011 |
| 24.4 Insect Adaptations | 3 | September 16, 2011 |
| 24.3 Arachnids | 5 | September 16, 2011 |
| 24.2 Crustaceans | 5 | September 16, 2011 |
| 24.1 Arthropod Diversity | 5 | September 16, 2011 |
| 1.5 Biology and Your Future | 2 | August 21, 2011 |
| 1.4 Biologists' Tools and Technology | 5 | August 21, 2011 |
| 1.3 Scientific Thinking and Processes | 8 | August 21, 2011 |
| 1.2 Unifying Themes of Biology | 5 | August 21, 2011 |
| 1.1 The Study of Life | 8 | August 21, 2011 |
| KS Glossary Terms - Chapter 1 Biology in the 21st Century | 20 | March 27, 2011 |
| KS Glossary Terms - Chapter 37 Animal Behavior | 3 | March 27, 2011 |
| KS Glossary Terms - Chater 2 Chemistry Of Life | 12 | March 27, 2011 |
| KS Glossary Terms - Chapter 3 Cell Structure | 11 | March 27, 2011 |
| KS Glossary Terms - Chapter 5 Photosynthesis & Cellular Respiration | 6 | March 27, 2011 |
| KS Glossary Terms - Chapter 6 Chromosomes & Cell Reproduction | 4 | March 27, 2011 |
| KS Glossary Terms - Chapter 7 Meiosis & Sexual Reproduction | 3 | March 27, 2011 |
| KS Glossary Terms - Chapter 8 Mendel & Heredity | 8 | March 27, 2011 |
| KS Glossary Terms - Chapter 9 DNA: The Genetic Material | 6 | March 27, 2011 |
| KS Glossary Terms - Chapter 10 How Proteins Are Made | 5 | March 27, 2011 |
| KS Glossary Terms - Chapter 11 Gene Technology | 2 | March 27, 2011 |
| KS Glossary Terms - Chapter 38 Introduction to Body Structures | 8 | March 27, 2011 |
| KS Glossary Terms - Chapter 19 Human Impact on the Environment | 4 | March 27, 2011 |
| KS Glossary Terms - Chapter 18 Biological Communities | 6 | March 27, 2011 |
| KS Glossary Terms - Chapter 17 Ecosystems | 13 | March 27, 2011 |
| KS Glossary Terms - Chapter 16 Population | 9 | March 19, 2011 |
| KS Glossary Terms - Chapter 15 Classification of Organisms | 8 | March 19, 2011 |
| KS Glossary Terms - Chapter 13 Theory of Evolution | 8 | March 19, 2011 |
| KS Glossary Terms - Chapter 12 History of Life on Earth | 13 | March 19, 2011 |