Chapter 1: Four Hundred Thousand Beetles and Counting: An Introduction to Evolution by Natural Selection

Chapter 2: It’s a Crazy World Out There: Ecology Fundamentals

Chapter 3: The Fungus Among Us: Biological Diversity, Fungi

Chapter 4: You Are Such an Animal!: Biological Diversity, Introduction to Animals

Chapter 5: Invertebrates Part 1 Creatures from the Black Lagoon: Biological Diversity, Aquatic Invertebrates

Chapter 6: Invertebrates Part 2 Land Lubbers: Biological Diversity, Terrestrial Invertebrates

Chapter 7: Show Some Backbone Kid!: Biological Diversity, Chordates

Chapter 8: They’re Green, They’re Lean, and We Can’t Live Without ’Em: Biological Diversity, Introduction to Plants

Chapter 9: They Don’t Make Seeds, But They Do Make a Difference: Biological Diversity, Seedless Plants

Chapter 10: The Seeded Plants: This Changes Everything:  Biological Diversity, Seeded Plants

Chapter 11: Aliens Are Here: They’re Called Microbes! Biological Diversity, Microbes

Chapter 12: We Were All But One Once: Cells

Chapter 13: The Four Letters of Life: DNA

Chapter 14: Why Don’t I Look Like My Parents?: Sexual Reproduction and Genetics

Chapter 15: This Chapter Contains No Added Sugar: Biochemistry, Cellular Respiration, Photosynthesis, Nutrition

Chapter 16: The Walking, Talking, Chordate: Human Physiology

Chapter 17: Extinction Is Not An Option: Mechanisms Other Than Natural Selection and Supporting Evidence for Evolution