What is the difference between C3 plants and C4 plants?
C3 plants fix CO₂ directly via the Calvin cycle; C4 plants (like maize) first fix it into a 4-carbon acid, making them more efficient in heat.
C3 plants fix CO₂ directly via the Calvin cycle; C4 plants (like maize) first fix it into a 4-carbon acid, making them more efficient in heat. A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.
Key point
C3 plants vs C4 plants
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