What symbiotic partnerships form between plant roots and fungi, and increase water and mineral absorption by the plant?

It is a Mutualistic partnership between fungi and roots of plant

Explanation:

Mutualism is a relationship between two organisms in which both of the benefits from the relationship. Fungi live in the roots of plant thereby getting carbohydrates from plants made by photosynthesis and the fungi in turn put mycelia that help plant to increase absorption of minerals and water.

Symbiosis

Explanation:

The root nodules of legumes contains organisms of the kingdom, fungi that helps the legumes fix atmospheric nitrogen thus meeting it's need for mineral Nitrogen. In turn, the legume plants provides shelter to the fungi.

This codependent partnership is known as Symbiosis

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