Contents: An introduction biology -- The chemical basis of life: atoms, molecules, and water -- The chemical basis of life: 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 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 plant: transport -- Flowering plants: reproduction -- Animal bodies and homeostasis -- Neuroscience: cell of the nervous system -- Neuroscience: evolution and function of the brain and nervous systems -- Neuroscience: sensory systems -- Muscular-skeletal systems 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 --