Some angiosperms produce "cluster roots," which are roots that have high metabolic rates and exude large quantities of organic acids into the soil. For the plant, what do you expect is the most useful benefit of these organic acids?

Question

Quizplus · Accepted Answer

The organic acids exuded by cluster roots lower the soil pH, which helps to liberate tightly bound minerals such as phosphorus, iron, and manganese. This makes these minerals more available for the plant to absorb and use.

Some Angiosperms Produce "Cluster Roots," Which Are Roots That Have