Photosynthesis & Cellular Respiration Choice Board | Middle & High School Science Engage your students with this Photosynthesis & Cellular Respiration Choice Board, a versatile activity that encourages creativity, critical thinking, and mastery of key life science concepts. Perfect for middle and high school biology, this resource allows students to choose from 9 unique tasks that explore chloroplasts, mitochondria, energy flow, and the chemical equations behind photosynthesis and respiration.