Ducks Unlimited Final tests Questions and Answers 100% Pass

Ducks Unlimited Final tests Questions and Answers 100% Pass Control weeds and aerate soil - Tillage is primarily used for which of the following? 20 to 40 percent - 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 - Select all the services grasslands provide Forest and desert - Grasslands typically exist between which of the following? Lasting effects from Dust Bowl - Which of the following is NOT a main threat which plagues grasslands today? True - 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 - Which of the following best describes the Farm Bill? Africa, Australia and South America - Where are savannas typically found? To conserve soils for agricultural production - Which of the following is the specific mission of the Natural Resources Conservation Service? 2 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. Grass roots decaying below the surface enriches the soil with nutrients - Why do temperate grasslands have the most fertile soil on earth? Swamp - 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 - Select all the factors in which a wetland is classified. Wetlands provide both commercial and recreational fisheries - Wetlands are economically important due to which of the following factors? Developing agricultural land - Wetlands are NOT critical for which of the following? Stopping water from naturally changing course - Levees are most commonly used for which of the following? False - Hurricanes do less financial damage, flood further inland and displace more people when coasts are heavily developed. Soil runoff Sedimentation - Select all the following causes of degradation to a wetland. 1934 - Which year was the Duck Stamp Act enacted? Theodore Roosevelt - Which president enacted the Farm Bill? Temporary - The hooded warbler is a ________ wetland species. Greater volume of food production for large food webs - Biological productivity includes which of the following? 3 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. False - To be considered a wetland, the area must be covered in shallow water all year. Floodplain protection - Riparian wetlands are particularly vulnerable to destruction, but serves a vital role in which of the following? Water Quality Trading - Which of the following allows organizations like farmers to be paid to reduce the amount of pollution they discharge? 40 billion - Recreational activities generate how much money per year? Substrate - Which of the following is NOT a wetland? Clean Water Act - Which of the following was enacted to restore and maintain the chemical, physical and biological integrity of the nation's waters? Biotic - _________ factors effects occur through the interactio