Wetlands & Estuaries

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What is the definition of a wetland?

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A wetland is a land area that is saturated with water, either permanently or seasonally, where oxygen-free processes prevail. Wetlands can be freshwater, saltwater, or brackish.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

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What are the main types of wetlands?

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The main types of wetlands include marshes, swamps, bogs, and fens.

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What is an estuary?

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An estuary is a coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

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Why are estuaries considered productive ecosystems?

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Estuaries are considered productive ecosystems because they provide rich nutrients, serve as nurseries for many marine species, and support diverse wildlife.

Tags

NGSS.MS-LS2-3

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What is the role of wetlands in flood control?

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Wetlands act as natural sponges, absorbing excess rainwater and reducing the risk of flooding.

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How do wetlands improve water quality?

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Wetlands filter pollutants from water, trapping sediments and breaking down harmful substances, thus improving overall water quality.

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What is the significance of biodiversity in wetlands?

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Biodiversity in wetlands is crucial as it supports various species, maintains ecosystem balance, and provides resilience against environmental changes.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Front

What are some human activities that threaten wetlands?

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Human activities such as urban development, agriculture, pollution, and drainage for land use threaten wetlands.

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NGSS.MS-ESS3-3

Front

What is the difference between freshwater and saltwater?

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Freshwater has a low concentration of salts (less than 1%), while saltwater has a high concentration of salts, primarily sodium chloride.

Tags

NGSS.MS-ESS2-4

Front

What is a bog?

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A bog is a type of wetland that accumulates peat, is acidic, and has low nutrient levels, often supporting specialized plant species.