Water Nuggets Practice Exam

Question: 1 / 400

What is one major function of wetlands?

Storing nuclear waste

Serving as natural filtration systems for water

One major function of wetlands is serving as natural filtration systems for water. Wetlands are unique ecosystems where water is either permanently or seasonally present. This standing or slow-moving water interacts with the surrounding soil, plants, and microorganisms, which helps to filter out pollutants, sediments, and excess nutrients from the water as it passes through. This natural filtration process improves water quality by trapping contaminants and facilitating their breakdown, thereby fulfilling an essential ecological role.

Wetlands also contribute to flood control and habitat provision, but the significant aspect highlighted here is their capability to filter and purify water, ensuring that it meets ecological health standards before re-entering rivers, lakes, and groundwater systems. This filtration process not only benefits aquatic life but also supports overall environmental health.

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Providing habitats exclusively for aquatic animals

Increasing urbanization

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