Investigating Watersheds Part 2

What is the largest estuary in the United States

• The Great Salt Lake

• The Chesapeake Bay

• The Gulf of Mexico

• Lake Superior

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Which bodies of water are often protected naturally from storms by barrier islands?

• estuaries

• oceans

• lakes

• ponds

Which of the following is NOT a natural filter in the Chesapeake Bay?

• shellfish

• algae

• high grasses

• leaves on the ground

What human activity improves the conditions of the wetlands?

• paving over areas in or near the wetlands

• creating green spaces in the surrounding community

• cutting down trees for commercial use

• fertilizing farmlands

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Increased urban development along the shorelines by draining and paving over wetlands for commercial uses can-

• protect the coastline from hurricane storm surges

• provides more land for birds to breed

• increase the speed and amount of runoff into rivers, bays, and oceans

• decrease the chances of severe flooding

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Which picks up more sediment, trash, and nutrients as it runs over land?

• slow moving water

• fast moving water

• brackish water

• all three pick up the same amount

Which of the following is TRUE about wetlands?

• Wetlands are not in danger from human activities, so we don't need to protect them.

• Wetlands are a great resource, but there is nothing that can be done to protect them.

• Wetlands are an important resource that we should protect.

• Wetlands are an ecosystem in which the roots of the plants are submerged under water at least part of the year.

• Wetlands play no role in reducing pollution in a watershed.

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True or False: The wetland biome includes swamps, bogs, and marshes.

• True

• False

Wetlands play an important role in all of the following EXCEPT-

• providing breeding grounds for a variety of organisms

• filtering pollutants out of the water

• increasing weathering and erosion

• increasing the local economy

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Bodies of water in wetlands often neutralize foreign substances. What does this mean?

• the water makes potentially dangerous substances even more dangerous

• the water turns foreign substances into food

• the water makes potentially dangerous substances harmless

• the water increases the amount of unfamiliar substances