C3, C4 & CAM Photosynthesis

What this note covers

1. Why C3 Alone Is Not Enough: Photorespiration
2. The C4 Solution: A Carbon Concentrating Pump
3. CAM: Temporal Separation in Arid-Adapted Plants
4. Direct Comparison: C3 vs C4 vs CAM
5. Environmental Contexts and Evolutionary Drivers
6. Worked Exam-Style Questions
7. Linking to the Broader Unit 3 AOS2 Framework

7 sections · 14 key terms & formulas · 6 common mistakes