Ducks Unlimited Question Bank - Questions and Answers (Complete Solutions)

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Ducks Unlimited Question Bank - Questions and Answers (Complete Solutions Which of the following best describes respiration? Intake of oxygen to convert glucose to energy Which of the following does... NOT conduct nitrogen fixation? Humans Where is the phosphorus cycle primarily conducted? In soil and plants Which of the following is NOT a category of wetland biome? Tropical In what year was the Clean Water and Air Act created? 1948 Which of the following does Not influence an organisms niche? Commensalism According to the presentation, ecosystem management was broadened by the establishment of which of the following in 1978? Conservation Biology Which of the following is known to cause primary succession? Glacier movement Select the positive ecological interactions between organisms Commensalism Mutualism Samantha is developing a management plan for an area suffering a significant reduction of grasses and plants which directly affects the viability of an endangered species. Her plan involves an increase of primary producers to support long-term ecological balance and to eliminate the requirement of human influence. Which of the following best represents this management plan? Sustainability A volcano has erupted and has now cooled off to leave bare rock. Over time, lichens have colonized on the rock, breaking it down and creating soil. Soil allowed grasses and flowering plants to grow. In this example, which of these was most likely the pioneer species? Lichens Nutrient flow is the natural process which provides for the cycling of chemicals between biotic and abiotic factors including water, oxygen, carbon, nitrogen and phosphorus. True Which of the following is true about chlorophyll? Is required in order to perform photosynthesis Grasslands are dominated by grasses and several species of forbs. Which of the following best describes a forb? Broadleaf plants and lower shrub vegetation Which of the following is true regarding the ability for grasslands to sequester carbon from the atmosphere? Grasslands recover quickly from drought or fire, allowing them to return to carbon sequestering far earlier than other biomes Which of the following best describes high-grading harvest? Only cutting the largest or most valuable tree species in an area Which of the following is true about the Forest and Rangeland Planning Act? Monitors the effects of climate change on renewable resources and managed lands What is desertification? Grasslands which undergo drought or demineralization and turn into a desert landscape In order to minimize soil erosion and increase water retention, Randy wants to plant a cover crop for his cotton field without negatively affecting the fertility of the soil. He knows cotton requires significant amounts of nitrogen to grow, so he will need to choose a cover crop with low nitrogen requirements. Which of the following cover crops should Randy choose? Legumes Which of the following is a characteristic of the taiga? Northernmost forests with seasonal climate including long winters and short summers Forty percent of the world's oxygen is produced in which of the following? Tropical rainforest A wetland sits in an area with seasonal flooding from snow melt, has anaerobic soil, contains a build-up of dead vegetation in the water and is filled with cypress trees. This area is most likely classified as which of the following types of wetland? Swamp Select all of the strategies the Coastal Wetlands Planning Protection and Restoration Act regulates. Uses funds from oil and gas royalties to protect gulf coast marshes Funds research for new measures to protect wetlands Which of the following adaptations is shown in the image? Aerial roots This illustration depicts which of the following concepts? Baseflow contribution Select all of the levels of taxonomy which represent the scientific name of a species Genus Species Adrian was hired by a company to survey for endangered species before a construction project. As part of this survey, they wish to know species diversity on the property. While on his first survey, Adrian sees a bird he has never seen before, so he takes detailed notes and a picture with plans to identify it later. The bird has a distinctly hooked beak, bright yellow legs and a bright yellow ring around the eye. What family does this bird belong to? Falconidae Market hunters decimated populations of many wildlife species in order to help feed the growing population in North America, eventually leading to the extinction of some species. Which of the following species became extinct due to market hunting? Passenger pigeon Label the different parts of the dabbling duck wing. Outside- Primarie. Inside-Secondaries Select all the true statements. No waterfowl species in North America are endangered Which of the following United States departments was the first to be established? Department of Agriculture's Division of Economic Ornithology and Mammalogy Select all the situations which will indicate wildlife populations are vulnerable and unable to be hunted. Low population numbers Seasons when offspring are born Birth and death rates are expressed as the number per _____ individuals per unit of time. 1,000 Match the population factor with the corresponding description. Competition-The reactions of two or more individuals seeking the same resource at the same time. Parasitism-The benefit of one organism at the expense of another host organism. Physical Condition -The ability an organism has to survive in a particular environment. Pollution- The contamination of air, water or soil by substances which are harmful to wildlife. Which of the following wetlands is dominated by emergent vegetation? Marshes A large plot of land in a grassland ecosystem was converted for agriculture. After four decades of agricultural use the land was abandoned and began to revert to its original grassland state. This is an example of which of the following? Secondary succession Nitrogen Cycle N2 NO2 runoff nitrifing bacteria Which of the following best describes a niche? How organisms match and respond to environmental conditions Sophia is a biologist tasked with surveying for the red-cockaded woodpecker which is listed as an endangered species. She knows the red-cockaded woodpecker closely resembles other species of woodpeckers in the area and wants to make sure she surveys correctly. Which family of class Aves should Sophia study to sharpen identification skills of woodpeckers? Picidae Match the image to the corresponding species. Mute Swan- Fluffy Tail Tundra Swan- Close up Photo Trumpeter Swan- Sunset photo Select all waterfowl which generally migrate in family units Geese Swans Select the correct word from the two options in the underlined sections to make the equation correct. Change in population abundance = (*births / deaths + immigration) - (births / deaths + emigration) *=correct answer Which of the following factors is categorized as biotic? Competition Paul is a park ranger in charge of removing a brown bear which has been invading campsites and has grown comfortable around park guests. Paul sets up motion sensors which rapidly flash lights when triggered around the border of the park. After a period of time, Paul notices there have not been any more bear sightings in the park. This is an example of which of the following? Behavior modification Which of the following is a habitat requirement for breeding grounds? Access to ample amounts of easily accessible resources nearby, multiple ponds or small wetlands ideal to allow breeding pairs to spread out significantly and reduce competition for resources Which of the following is NOT regulated by the National Park Service? Private land The Migratory Bird Conservation Act created the migratory bird conservation commission in 1929 in order to evaluate and approve federal land for wildlife refuges using federal funding. This commission is made up of the Secretary of Agriculture, two senators, two members of the house of representatives and ____________. The Secretary of the Interior Which of the following is NOT one of the states currently experiencing wetland reductions of between 80 to 100 percent? Texas One acre of wetland filters 7.3 gallons of water a month into fresh drinking water. False Which of the following is NOT a requirement to be classified as a wetland? The area must have standing water year-round The Agricultural Conservation Easement Program, which retires cropland and restores the land to grasslands, is part of what piece of legislation? The Farm Bill Which of the following is the best description for the logging practice term known as clear cutting? Logging all trees of the same age in one area Which of the following best describes agroforestry? Trees grown in areas of agriculture which are used to stabilize environmental conditions of crops Which of the following habitat services are categorized by products harvested or extracted from the habitat, which are used and relied on every single day, such as food, water, wood, oil and gas? Provisional What act enabled funding through the sale of firearms, ammunition and sporting goods? [Show More]

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