The term GROWING UNDER WATER is a reference to the process of submersion, which is the act of submerging something in water. Submersion is often used to help plants and other organisms grow in aquatic environments. This process can be used to cultivate crops, such as rice, in flooded fields, or to help aquatic plants thrive in ponds and lakes. Submersion also helps to create a more hospitable environment for aquatic animals, allowing them to find food and shelter.