Estuary Habitat Quiz

What is an estuary?

• A freshwater lake

• A mountain range

• A type of desert ecosystem

• A body of water where rivers meet the sea

Why are estuaries often called the 'nurseries of the sea'?

• They are the warmest parts of the ocean

• They are the largest bodies of water

• They have the highest salt concentration

• Many animals reproduce and spend the early part of their lives there

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Which of the following is NOT a benefit of estuaries?

• They increase desertification

• They support recreation

• They support clean water

• They protect from flooding

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What percentage of the U.S. commercial fish catch is supported by estuaries?

• 68%

• 90%

• 50%

• 20%

What role do estuaries play in flood and storm protection?

• They have no impact on storms

• They increase the impact of storms

• They cause more frequent flooding

• They serve as natural infrastructure protecting from flooding and erosion

How do estuaries contribute to cleaner water?

• By adding more salt to the water

• By filtering out sediments and pollutants

• By increasing water temperature

• By reducing water flow

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What is 'coastal blue carbon'?

• A rare mineral found in estuaries

• A pollutant found in estuaries

• Carbon stored in coastal habitats like marshes and seagrass beds

• A type of marine animal

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Which of the following is a challenge faced by estuaries?

• Overpopulation of fish

• Increased biodiversity

• Habitat loss

• Excessive rainfall

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What causes 'dead zones' in estuaries?

• Excessive oxygen levels

• Overfishing

• Polluted runoff

• High temperatures

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What is the purpose of the National Estuarine Research Reserves?

• To reduce tourism

• To protect estuarine habitats and species

• To increase fishing activities

• To promote urban development

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