Biology - Photosynthesis and Respiration - Factors affecting photosynthesis - Identify the Limiting Factor

Show 6 graph scenarios and ask students to identify the limiting factor. Q1: Graph shows rate increasing with light, then plateauing. CO₂ is low. 'What's limiting?' (CO₂ concentration). Q2: It's winter (cold) with bright sun. 'What's limiting?' (Temperature). Q3: Graph shows rate increasing with CO₂