An introduction to biology -- The chemical basis of life I: atoms, molecules, and water -- The chemical basis of life II: organic molecules -- General features of cells -- Membrane structure, synthesis, and transport -- An introduction to energy, enzymes, and metabolism -- Cellular respiration, fermentation, and secondary metabolism -- Photosynthesis -- Cell communication -- Multicellularity -- Nucleic acid structure, DNA replication, and chromosome structure -- Gene expression at the molecular level -- Gene regulation -- Mutation, DNA repair, and cancer -- The eukaryotic cell cycle, mitosis, and meiosis -- Simple patterns of inheritance -- Complex patterns of inheritance -- Genetics of viruses and bacteria -- Developmental genetics -- Genetic technology -- Genomes, proteomes, and bioinformatics -- The origin and history of life -- An introduction to evolution -- Population genetics -- Origin of species and macroevolution -- Taxonomy and systematics -- Bacteria and archaea -- Protists -- Plants and the conquest of land -- The evolution and diversity of modern gymnosperms and angiosperms -- Fungi -- An introduction to animal diversity -- The invertebrates -- The vertebrates -- An introduction to flowering plant form and function -- Flowering plants: behavior -- Flowering plants: nutrition -- Flowering plants: transport -- Flowering plants: reproduction -- Introduction to animal form and function -- Neuroscience I: cells of the nervous system -- Neuroscience II: evolution and function of the brain and nervous systems -- Neuroscience III: sensory systems -- The muscular-skeletal system and locomotion -- Nutrition, digestion, and absorption -- Control of energy balance, metabolic rate, and body temperature -- Circulatory systems -- Respiratory systems -- Excretory systems and salt and water balance -- Endocrine systems -- Animal reproduction -- Animal development -- Immune systems -- An introduction to ecology and biomes -- Behavioral ecology -- Population ecology -- Species interactions -- Community ecology -- Ecosystems ecology -- Biodiversity and conservation biology.