Marsh Ecosystems and Their Importance

The video tutorial explains marshes, a type of wetland, and their formation in low-lying areas near rivers and seacoasts. It describes three types of marshes: salt marshes, freshwater tidal marshes, and freshwater marshes, highlighting their unique characteristics and the wildlife they support. The importance of marshes in filtering pollution and reducing flooding is emphasized, along with the threat of destruction due to urban development and agriculture.

What is a marsh primarily composed of?

• Desert sand

• Mountain rocks

• Grasses and non-woody plants

• Woody plants

Which type of marsh is influenced by ocean tides and contains salt water?

• Freshwater tidal marsh

• Salt marsh

• Desert marsh

• Freshwater marsh

Which of the following animals is commonly found in salt marshes?

• Diamondback Terrapins

• Kangaroos

• Penguins

• Elephants

How are freshwater tidal marshes similar to salt marshes?

• Both are unaffected by tides

• Both contain salt water

• Both are influenced by tides

• Both are located in deserts

What distinguishes freshwater marshes from freshwater tidal marshes?

• Freshwater marshes are connected to the ocean

• Freshwater marshes are not connected to the ocean

• Freshwater marshes contain salt water

• Freshwater marshes are found in deserts

Which type of marsh is the most diverse and common in North America?

• Freshwater marsh

• Freshwater tidal marsh

• Desert marsh

• Salt marsh

Which plant is commonly found floating on the surface of freshwater marshes?

• Duckweed

• Seaweed

• Pine trees

• Cacti

What role do marshes play in the environment?

• They are used for mining

• They act as a filter for pollution

• They increase pollution

• They cause flooding

How do marshes help in reducing flooding?

• By absorbing excess water during heavy rain

• By creating dams

• By blocking rain clouds

• By evaporating water quickly

What is a major threat to marshes?

• Wildlife conservation

• Increased rainfall

• Construction of towns and cities

• Natural disasters