1 Biology: The Study of Life Unit 1 The Cell 2 Basic Chemistry 3 The Chemistry of Organic Molecules 4 Cell Structure and Function 5 Membrane Structure and Function 6 Metabolism: Energy and Enzymes 7 Photosynthesis 8 Cellular Respiration Unit 2 Genetic Basis of Life 9 The Cell Cycle and Cellular Reproduction 10 Meiosis and Sexual Reproduction 11 Mendelian Patterns of Inheritance 12 Molecular Biology of the Gene 13 Regulation of Gene Expression 14 Biotechnology and Genomics Unit 3 Evolution 15 Darwin and Evolution 16 How Populations Evolve 17 Speciation and Macroevolution 18 The Origin and History of Life 19 Taxonomy, Systematics, and Phylogeny Unit 4 Microbial Evolution 20 Viruses, Bacteria, and Archaea 21 Protist Evolution and Diversity 22 Fungi Evolution and Diversity Unit 5 Plant Evolution and Biology 23 Plant Evolution and Diversity 24 Flowering Plants: Structure and Organization 25 Flowering Plants: Nutrition and Transport 26 Flowering Plants: Control of Growth Responses 27 Flowering Plants: Reproduction Unit 6 Animal Evolution and Diversity 28 Invertebrate Evolution 29 Vertebrate Evolution 30 Human Evolution Unit 7 Comparative Animal Biology 31 Animal Organization and Homeostasis 32 Circulation and Cardiovascular Systems 33 The Lymphatic and Immune Systems 34 Digestive Systems and Nutrition 35 Respiratory Systems 36 Body Fluid Regulation and Excretory Systems 37 Neurons and Nervous Systems 38 Sense Organs 39 Locomotion and Support Systems 40 Hormones and Endocrine Systems 41 Reproductive Systems 42 Animal Development and aging 43 Animal Behavior Unit 8 Ecology 44 Population Ecology 45 Community and Ecosystem Ecology 46 Major Ecosystems of the Biosphere 47 Conservation of Biodiversity