Why Do Plants That Live in Phosphorus-Poor Soils Produce Cluster

question 38

Multiple Choice

Why do plants that live in phosphorus-poor soils produce cluster roots?

• A)because they are rare and produce carbonic acids, which solubilize the phosphorus complexes with iron and aluminum
• B)because they are numerous and produce carboxylic acids, which solubilize the phosphorus complexes with iron and aluminum
• C)because they are soft and produce carboxylic acids, which solubilize the phosphorus complexes with calcium and aluminum
• D)because they are tough and produce carboxylic acids, which solubilize the phosphorus complexes with iron and calcium

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