Why do C₄ plants have higher productivity in tropical regions compared to C₃ plants?
- AThey have a more efficient water absorption system.
- BThey have larger leaves to capture more sunlight.
- CThey effectively overcome photorespiration at high temperatures and light intensities.
- DTheir stomata remain open for longer durations, allowing more CO₂ uptake.
✓ Correct answer: C
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