Which property of aquatic plants allows them to survive in water?

Question

Which property of aquatic plants allows them to survive in water?

Answer 1

its modification of roots,change in the system of leaves of making  food &adjustment of them selves very fast according to temprature&pressure.u can also try this experiment by putting a plant which grows on earth in water.it may be a discovery too

Answer 2

There's no single property. Some physical adaptations include the removal of abaxial stomata, formation of aerenchyma to enhance flotation and gas transport, and deep roots/rhizomes to help stabilize the plant in waterlogged soil.