Question

Which of the following aquatic ecosystems help reduce pollution, filter water, control flooding and serve as nurseries for aquatic species?

• A. Estuaries
• B. Rivers
• C. Ponds
• D. Lakes
• E. Wetlands

Answer 1

The correct option is E Wetlands

A. Estuaries are the water bodies found where the sea meets the river.

B. Rivers are the streams of freshwater that flows through channels in ground surface.

C. Ponds are the water bodies containing still water.

D. Lake is an area containing water which is surrounded by land.

E. Wetlands are the land areas saturated by water. They form a distinct type of ecosystem and also help in reducing pollution. As the water flows through the wetlands, it gets filtered naturally. Wetlands are the important habitat for aquatic species.

So, the correct answer is 'Wetlands'.