Part One Introduction  1

Chapter 1

What is Biology?  1

Part Two Cells: Anatomy and Action  20

Chapter 2	Simple Things of Life  20
Chapter 3	Organic Chemistry: The Chemistry of Life  37
Chapter 4	Cell Structure and Function  55
Chapter 5	Enzymes  80
Chapter 6	Biochemical Pathways  90
Chapter 7	DNA and RNA: The Molecular Basis of Heredity  115

Part Three Cell Division and Heredity  140

Chapter 8	Mitosis: The Cell-Copying Process  140
Chapter 9	Meiosis: Sex-Cell Formation  153
Chapter 10	Mendelian Genetics  170

Part Four Evolution and Ecology  188

Chapter 11	Diversity within Species  188
Chapter 12	Natural Selection and Evolution  203
Chapter 13	Speciation and Evolutionary Change  219
Chapter 14	Ecosystem Organization and Energy Flow  238
Chapter 15	Community Interactions  262
Chapter 16	Population Ecology  282
Chapter 17	Behavioral Ecology  298

 

Part Five Physiological Processes  316

Chapter 18	Materials Exchange in the Body  316
Chapter 19	Nutrition: Food and Diet  340
Chapter 20	The Body's Control Mechanisms  363
Chapter 21	Human Reproduction, Sex, and Sexuality  388

 

Part Six The Origin and Classification of Life  411

Chapter 22	The Origin of Life and Evolution of Cells  411
Chapter 23	The Classification and Evolution of Organisms  427
Chapter 24	Prokaryotae, Protista, and Mycetae  445
Chapter 25	Plantae  464
Chapter 26	Animalia  486