Wetlands - Texas Aquatic Science Quiz

What is the key ingredient in a wetland?

• Sunlight

• Soil

• Water

• Air

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Which type of bacteria takes over when dissolved oxygen is depleted in wetlands?

• Nitrogen-fixing bacteria

• Photosynthetic bacteria

• Anaerobic bacteria

• Aerobic bacteria

What percentage of Texas' fish species depend on wetlands?

• 100%

• 70%

• 50%

• 90%

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Which type of wetland is found in the Texas High Plains?

• Playa lake wetlands

• Coastal wetlands

• Bottomland hardwoods

• Sand sheet wetlands

What is a characteristic of coastal wetlands?

• They are found only in deserts

• They are always freshwater

• They have constant water levels

• They are affected by tidal fluctuations

What adaptation helps cattails survive in wetlands?

• Bright flowers

• Air spaces in leaves

• Thick bark

• Deep roots

Which animal is known for having long legs and specially adapted feet for walking on mud?

• Mosquitofish

• Frog

• Duck

• Black-necked stilt

What role do wetlands play in flood control?

• They create levees

• They increase water flow

• They absorb and slowly release water

• They prevent rain

What is a halophyte?

• A plant that grows in freshwater

• A plant that grows in shaded areas

• A plant that grows in high salinity water

• A plant that grows in dry soil

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What is the main pollutant that wetlands help filter out of streams and rivers?

• Sediment

• Plastic

• Heavy metals

• Oil

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