What Is the Main Adaptive Advantage of the C₄ and CAM

question 44

Multiple Choice

What is the main adaptive advantage of the C₄ and CAM photosynthesis strategies over the C₃ strategy?

• A) They help the plant synthesize glucose efficiently under dry conditions.
• B) They allow the plant to fix carbon under conditions of low CO₂.
• C) They allow the plant to fix carbon in cool conditions.
• D) They make it possible for the plant to use the Calvin cycle at night.

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