The essential functions of roots are anchorage and absorption of water

The essential functions of roots are anchorage and absorption of water and minerals in the terrestrial plants. What functions are associated with the roots of aquatic plants? How are the roots of aquatic plants and terrestrial plants different?

Functions of roots in aquatic plants are
(i) Buoyancy in floating plants,
(ii) Anchorage in submerged fixed plants.
Differences in Roots of Aquatic and Terrestrial Plants are