Answer:
Aquatic ecosystem.
Step-by-step explanation:
An aquatic ecosystem is in a body of water, like seas and oceans. Inside these ecosystems we have marine ecosystems and freshwater ecosystems, the first one is the largest aquatic ecosystem, comprehends all water with salt content, the second one comprehends lakes, rivers, streams, springs, and more.
So, basically, plants that can live in water soaked soil are able to survive in the aquatic ecosystem, because it's water based. Some plants that like to be in water are: water hyssop, iris, canna, elephant's ear, swamp sunflower, and more.
Therefore the answer is Aquatic Ecosystem.