What Advantage Is It for Some Plants to Use C₄

question 17

Multiple Choice

What advantage is it for some plants to use C₄ and CAM photosynthesis?

• A)They can conserve water and reduce photorespiration under hot, dry conditions
• B)They can conserve water and produce four-carbon sugars instead of glucose
• C)They can absorb carbon dioxide more efficiently when atmospheric CO₂ levels are low.
• D)They can use the Calvin cycle at night when conditions are cooler and more humid.

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