There are several different kinds of aquatic ecosystems. bogs get their water from precipitation, so they don't have many fill in the blank text field 1 type text here. marsh plants are adapted to waterlogged fill in the blank text field 2 type here. swamps have fill in the blank text field 3 type here. plants like trees and shrubs. rivers always have flowing currents and pick up fill in the blank text field 4 type here. as they flow. lakes are bodies of water on land. wetlands act as fill in the blank text field 5 type here. for nutrients and pollutants dissolved in the water. estuaries are fill in the blank text field 6 type here. regions where freshwater rivers mix with ocean water.

Explanation:

A wetland is a biome which has both water and land that are intermixed in various ways. According to the type of the wetland, the ecosystem differs.

Bogs: Wetland with water from precipitation and no inflow or outflow of surface or ground water.  

Soil: Acidic, infertile with less nutrient content

Vegetation: Acid-loving plants

Swamps: Forest wetlands near rivers and lakes.

Soil: well draining, mineral soil

Vegetation: Trees and bushes. Swamps are classified according to the vegetation, like coniferous swamp, hardwood swamp, shrub swamp etc

Marsh: Wetlands mostly inundated with water leading to waterlogged soil  

Soil: Organic and mineral soil

Vegetation: Hydrophytic plants adapted to waterlogged soil

Estuaries: Wetland regions enclosed by land one side where fresh water mixes with saline ocean water.  

Soil: Saline alkaline soil

Vegetation: Mangrove trees

Rivers and lakes are water bodies that form a part of wetlands.  

Rivers are flowing water bodies which flows through water current and picks up sediments as it flows.

Lakes are stationary water bodies that are enclosed by land mass on all its sides.

The wetlands act as a natural filter and receive all the sediments, pollutants etc which are dissolved in water and carried by the rivers and other water sources.

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there really is life in the deepest part