DUCKS UNLIMITED FINAL TESTS QUESTIONS AND
VERIFIED ANSWERS
Control weeds and aerate soil - Answers - Tillage is primarily used for which of the
following?
20 to 40 percent - Answers - How much of the earth's land surface is covered with
grasslands?
Provide very important habitat for wildlife
Filter runoff from precipitation
Build deep and rich soils
Store carbon dioxide from the atmosphere - Answers - Select all the services
grasslands provide
Forest and desert - Answers - Grasslands typically exist between which of the
following?
Lasting effects from Dust Bowl - Answers - Which of the following is NOT a main threat
which plagues grasslands today?
True - Answers - When topsoil is lost, the loss is fairly permanent because the process
to create just three centimeters of topsoil takes about 1,000 years.
Incentives provided to landowners to conserve grassland habitats - Answers - Which of
the following best describes the Farm Bill?
Africa, Australia and South America - Answers - Where are savannas typically found?
To conserve soils for agricultural production - Answers - Which of the following is the
specific mission of the Natural Resources Conservation Service?
Grass roots decaying below the surface enriches the soil with nutrients - Answers - Why
do temperate grasslands have the most fertile soil on earth?
Swamp - Answers - A wetland with woody plants, saturated/slow moving water and a
lack of oxygen in the soil can be described as a _____.
Hydrological regime
Landscape position
Vegetation cover - Answers - Select all the factors in which a wetland is classified.
, Wetlands provide both commercial and recreational fisheries - Answers - Wetlands are
economically important due to which of the following factors?
Developing agricultural land - Answers - Wetlands are NOT critical for which of the
following?
Stopping water from naturally changing course - Answers - Levees are most commonly
used for which of the following?
False - Answers - Hurricanes do less financial damage, flood further inland and displace
more people when coasts are heavily developed.
Soil runoff
Sedimentation - Answers - Select all the following causes of degradation to a wetland.
1934 - Answers - Which year was the Duck Stamp Act enacted?
Theodore Roosevelt - Answers - Which president enacted the Farm Bill?
Temporary - Answers - The hooded warbler is a ________ wetland species.
Greater volume of food production for large food webs - Answers - Biological
productivity includes which of the following?
False - Answers - To be considered a wetland, the area must be covered in shallow
water all year.
Floodplain protection - Answers - Riparian wetlands are particularly vulnerable to
destruction, but serves a vital role in which of the following?
Water Quality Trading - Answers - Which of the following allows organizations like
farmers to be paid to reduce the amount of pollution they discharge?
40 billion - Answers - Recreational activities generate how much money per year?
Substrate - Answers - Which of the following is NOT a wetland?
Clean Water Act - Answers - Which of the following was enacted to restore and
maintain the chemical, physical and biological integrity of the nation's waters?
Biotic - Answers - _________ factors effects occur through the interaction of animals,
plants and other organisms.
Index of population size - Answers - Which of the following methods for measuring
populations utilizes recording signs of animals, such as droppings, tracks, nest counts,
etc.?
VERIFIED ANSWERS
Control weeds and aerate soil - Answers - Tillage is primarily used for which of the
following?
20 to 40 percent - Answers - How much of the earth's land surface is covered with
grasslands?
Provide very important habitat for wildlife
Filter runoff from precipitation
Build deep and rich soils
Store carbon dioxide from the atmosphere - Answers - Select all the services
grasslands provide
Forest and desert - Answers - Grasslands typically exist between which of the
following?
Lasting effects from Dust Bowl - Answers - Which of the following is NOT a main threat
which plagues grasslands today?
True - Answers - When topsoil is lost, the loss is fairly permanent because the process
to create just three centimeters of topsoil takes about 1,000 years.
Incentives provided to landowners to conserve grassland habitats - Answers - Which of
the following best describes the Farm Bill?
Africa, Australia and South America - Answers - Where are savannas typically found?
To conserve soils for agricultural production - Answers - Which of the following is the
specific mission of the Natural Resources Conservation Service?
Grass roots decaying below the surface enriches the soil with nutrients - Answers - Why
do temperate grasslands have the most fertile soil on earth?
Swamp - Answers - A wetland with woody plants, saturated/slow moving water and a
lack of oxygen in the soil can be described as a _____.
Hydrological regime
Landscape position
Vegetation cover - Answers - Select all the factors in which a wetland is classified.
, Wetlands provide both commercial and recreational fisheries - Answers - Wetlands are
economically important due to which of the following factors?
Developing agricultural land - Answers - Wetlands are NOT critical for which of the
following?
Stopping water from naturally changing course - Answers - Levees are most commonly
used for which of the following?
False - Answers - Hurricanes do less financial damage, flood further inland and displace
more people when coasts are heavily developed.
Soil runoff
Sedimentation - Answers - Select all the following causes of degradation to a wetland.
1934 - Answers - Which year was the Duck Stamp Act enacted?
Theodore Roosevelt - Answers - Which president enacted the Farm Bill?
Temporary - Answers - The hooded warbler is a ________ wetland species.
Greater volume of food production for large food webs - Answers - Biological
productivity includes which of the following?
False - Answers - To be considered a wetland, the area must be covered in shallow
water all year.
Floodplain protection - Answers - Riparian wetlands are particularly vulnerable to
destruction, but serves a vital role in which of the following?
Water Quality Trading - Answers - Which of the following allows organizations like
farmers to be paid to reduce the amount of pollution they discharge?
40 billion - Answers - Recreational activities generate how much money per year?
Substrate - Answers - Which of the following is NOT a wetland?
Clean Water Act - Answers - Which of the following was enacted to restore and
maintain the chemical, physical and biological integrity of the nation's waters?
Biotic - Answers - _________ factors effects occur through the interaction of animals,
plants and other organisms.
Index of population size - Answers - Which of the following methods for measuring
populations utilizes recording signs of animals, such as droppings, tracks, nest counts,
etc.?
