Bring a little Thanksgiving fun into your classroom while reinforcing one of the most challenging AP Biology concepts — cell signaling and feedback mechanisms. This engaging, hands-on packet helps students visualize how their own bodies communicate after a big Thanksgiving meal through hormones, receptors, and signal transduction pathways. Included in this ResourceEditable Pre-Notes Packet – Clear explanations and fill-in sections for: Types of signaling (endocrine, paracrine, neural, direct c