Biology Lab Manual. The 13 laboratory investigations in this book support the AP Biology course and allow you to explore the natural world. The labs support the 'big ideas' and science practices of AP Biology and help you to gain enduring understandings of biological concepts and the scientific evidence that supports them. Sep 9, 2010 - 111. Lab 19 – Mealworm Behavior. Lab 20 – Enzyme Controlled Reactions. Laboratory work is a mandatory part of AP Biology class.