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Nature & Animals

Which outcome results when alpine plants employ the CAM pathway?

A)Stomata close during daylight hours
B)Increased photorespiration rate results
C)Water loss decreases significantly overnight
D)Carbon fixation occurs only in mesophyll

💡 Explanation

The CAM pathway evolved to conserve water, because stomata open to fix CO₂ nocturnally, therefore reducing daytime water loss rather than increasing photorespiration, because this is an adaptation for arid environments.

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