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Question
Biology
Posted 7 months ago
why do c4plants occur more commonly in the desert
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Answer from Sia
Posted 7 months ago
Answer
C4 plants occur more commonly in the desert due to their specialized photosynthetic pathway that allows them to efficiently fix carbon in high temperatures and low water conditions.
Solution
a
Adaptation to high temperatures and intense sunlight: C4 plants have a photosynthetic pathway that minimizes photorespiration, which is more common in hot, arid environments
b
Water-use efficiency: C4 plants have a mechanism that allows them to keep their stomata closed during the hottest part of the day to reduce water loss, while still carrying out photosynthesis
c
Carbon fixation efficiency: C4 plants concentrate CO2 at the site of the Calvin cycle, reducing the oxygenation reaction of RuBisCO and increasing the efficiency of carbon fixation in low CO2 conditions, which are common in deserts
Key Concept
C4 photosynthesis
Explanation
C4 photosynthesis is an adaptation that allows plants to thrive in hot, arid environments by reducing photorespiration and increasing water-use efficiency.

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