This high school or college-level TED-Ed companion resource explores the TED-Ed lesson “Why do we have crooked teeth?” through the lens of evolution, biology, and health. It includes 20 discussion questions, a detailed writing prompt, and an expanded debate topic, encouraging students to analyze the relationship between diet, jaw development, and modern dental problems. This resource is ideal for biology, anthropology, health science, or general science classes focused on human evolution, anatom