ENV 101 graded exam 3_100% Graded, Latest Fall 2020.

ENV 101_MH_V2 Question text Which of the following best matches the description? Set of physical features that conceals and protects animals from the elements or their enemies. Select one: a. threatened specie ...

ENV 101_MH_V2 Question text Which of the following best matches the description? Set of physical features that conceals and protects animals from the elements or their enemies. Select one: a. threatened species b. clear-cutting c. reforestation d. selective harvesting e. endangered species f. speciation g. extinction h. habitat management i. patchwork clear-cutting j. cover k. biodiversity l. mutation m. species diversity Question 2 Question text Which of the following best matches the description? Any change in the DNA of an organism. Select one: a. threatened species b. clear-cutting c. reforestation d. selective harvesting e. endangered species f. speciation g. extinction h. habitat management i. patchwork clear-cutting j. cover k. biodiversity l. mutation m. species diversity Question 3 Flag question Question text Which of the following would have the greatest ecosystem diversity? Select one: a. the land an organic farmer uses to raise crops to feed his dairy cattle b. a lake c. a large island in the tropics that has snow capped mountains d. a prairie Question 4 World harvests of wild caught fish have remained constant since about 1995. In addition, the mix of species has changed (some species are no longer caught). This indicates Select one: a. overfishing of some species is occurring. b. many species of fish are being harvested at their capacity. c. new species of fish are being exploited as others are no longer being caught. d. All of these statements are true. Question 5 5.00 points out of 5.00 Question text The Serengeti Highway Route: Select one: a. Could impact traditional animal migration routes b. Would help develop water navigational routes c. Would hinder urban development d. Would provide high speed rail transportation The correct answer is: Could impact traditional animal migration routes Question 6 Question text Clear cutting of forests Select one: a. slows the regeneration of trees on the clear cut site. b. is an efficient way to harvest trees. c. exposes the soil to erosion. d. All of these statements are correct. The correct answer is: All of these statements are correct. Question 7 Question text Which of the following best matches the description? Process of replanting an area after the original trees are removed. Select one: a. threatened species b. clear-cutting c. reforestation d. selective harvesting e. endangered species f. speciation g. extinction h. habitat management i. patchwork clear-cutting j. cover k. biodiversity l. mutation m. species diversity The correct answer is: reforestation Question 8 Question text The International Union for the Conservation of Nature (IUCN) Select one: a. forces countries to take steps to protect endangered species. b. prevents trade in endangered species. c. publishes a list of endangered and threatened species. d. All of the statements are correct. The correct answer is: publishes a list of endangered and threatened species. Question 9 Question text Salmon introduction in the Great Lakes has brought in millions of dollars from sportfishing, yet environmentally it has Select one: a. increased exotic invasive fish populations. b. improved water quality. c. decreased migratory bird populations. d. decreased native fish populations and disrupted spawning. The correct answer is: decreased native fish populations and disrupted spawning. Question 10 Question text Which of the following best matches the description? Lowland area on either side of a river. Select one: a. zoning b. megalopolis c. floodplain d. urban sprawl e. floodplain zoning f. multiple land use g. wetlands h. ribbon sprawl i. land-use planning j. tract development The correct answer is: floodplain Question 11 Question text All of the following contributed to the movement from the central city to suburbs EXCEPT Select one: a. Non-urban land has historically been inexpensive. b. Industrial pollution and undesirable living conditions. c. Roads were built to allow people to get to the surrounding countryside. d. The wealth of the general population had increased. Question 12 Question text __________ and high moisture increase the decomposition rate of organic matter. Select one: a. High sunlight b. High pH c. High parent material d. High temperatures The correct answer is: High temperatures Question 13 Conservation tillage methods _______ than conventional tillage. Select one: a. require more plowing b. use more fuel c. require more time d. experience less topsoil loss The correct answer is: experience less topsoil loss Question 14 Question text Two processes which chemically alter parent material are Select one: a. oxidation and hydrolysis. b. decomposition and oxidation. c. hydrolysis and liming. d. freezing and thawing. The correct answer is: oxidation and hydrolysis. Question 15 Question text Organic food __________________ than conventionally grown food. Select one: a. is less expensive b. is more nutritious c. is less likely to contain pesticides d. uses less labor The correct answer is: is less likely to contain pesticides Question 16 Phytoremediation is: Select one: a. A slow process that may take many growing seasons to reduce pollution b. Only possible in areas with mild climates c. A process that can reduce pollution in less than a year d. A process that has been used only in rural areas The correct answer is: A slow process that may take many growing seasons to reduce pollution Question 17 Question text All of the following are macronutrients found in soil EXCEPT Select one: a. Nitrogen b. Phosphorus c. Carbon dioxide d. Potassium The correct answer is: Carbon dioxide Question 18 Question text Which of the following best matches the description? Nutrient needed in extremely small amounts for plant growth. Select one: a. weed b. biocide c. pheromone d. macronutrient e. organophosphate f. rodenticide g. auxin h. chlorinated hydrocarbon i. hard pesticide j. soft pesticide k. persistent pesticide l. micronutrient m. biomagnification n. fungicide o. herbicide p. macronutrients q. micronutrients The correct answer is: micronutrient Question 19 Genetically modified organisms are created by Select one: a. inserting chemical pesticides into embryos to improve pest or disease resistance. b. inserting pieces of DNA, which will result in pest or disease resistance in a crop. c. injecting growth hormones into seeds or pregnant animals. d. cloning of good producers to make millions of offspring. The correct answer is: inserting pieces of DNA, which will result in pest or disease resistance in a crop. Question 20 Question text Which of the following best matches the description? Plant hormone that stimulates growth. Select one: a. weed b. biocide c. pheromone d. macronutrient e. organophosphate f. rodenticide g. auxin h. chlorinated hydrocarbon i. hard pesticide j. soft pesticide k. persistent pesticide l. micronutrient m. biomagnification n. fungicide o. herbicide p. macronutrients q. micronutrients The correct answer is: auxin Question 21 Question text Which of the following best matches the description? Increases in the amount of material at successively higher trophic levels. Select one: a. weed b. biocide c. pheromone d. macronutrient e. organophosphate f. rodenticide g. auxin h. chlorinated hydrocarbon i. hard pesticide j. soft pesticide k. persistent pesticide l. micronutrient m. biomagnification n. fungicide o. herbicide p. macronutrients q. micronutrients The correct answer is: biomagnification Question 22 Question text The problem of food waste is of greater concern in: Select one: a. The less developed world b. Africa c. The industrial world d. India The correct answer is: The industrial world Question 23 Question text Organophosphates and carbamates work by Select one: a. interfering with an insect's nervous system. b. interrupting photosynthesis in weeds. c. by only killing pest insects. d. causing internal bleeding in mammals. The correct answer is: interfering with an insect's nervous system. Question 24 Question text The largest nonpoint source of water pollution is? Select one: a. Transportation b. Urban development c. Industrial development d. Agriculture The correct answer is: Agriculture Question 25 Question text Increased crop yields in the U.S. are the result of Select one: a. improved agricultural methods. b. more efficient machinery. c. the application of fertilizers. d. All of these are correct.