✨Help your students master one of the most foundational concepts in AP Biology: surface area to volume ratio (SA:V). This resource includes 4 exam-style Free Response Questions (FRQs) with detailed rubrics and clear teacher/student guidance, designed to mirror the rigor and style of the AP Bio exam. ✏️Students will practice: Calculating surface area, volume, and SA:V ratios across different cell modelsJustifying biological efficiency using mathematical evidenceConnecting SA:V to real-world ada