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Ecology Multiple Choice Questions Set




Question;76. The two most important factors that determine an area's climate are temperature and wind temperature and precipitation precipitation and light light and temperature wind and light77. Deep lakes with steep banks that have a small supply of plant nutrients are oligotrophic lakes eutrophic lakes culturally eutrophic lakes hypereutrophic lakes mesotrophic lakes78. The most effective water heater is an electric water tank is a gas water heater is an oil water heater is a tankless instant water heater fired by natural gas is a propane water heater79. One-third of the human food supply comes from plant that are pollinated by bats birds insects wind mammals80. The direct threat of climate change to marine habitat is increase in carbon storage in oceans spread of tropical diseases decreased salinity of water rising sea levels UV radiation from ozone depletion81. The greatest marine biodiversity is located in the bottom region of the ocean in the surface region of the ocean in the coastal region of the ocean in the open ocean in coral reefs82. It is necessary to use energy to get energy. The difference between what you get and what you use to get it is called gain loss gross energy profit net energy83. An old-growth forest would be defined as a commercial forest older than 30 years a forest undisturbed for at least 50 years a second-growth forest undisturbed for at least 100 years a re-planted forest that has had little disturbance for 100 years an uncut or regenerated primary forest undisturbed for several hundred years84. Which of the following is NOT one of the external geologic processes driven by energy from the sun? formation of mountains wind erosion weathering water erosion glacial erosion85. The dimly lit zone in which zooplankton and smaller fishes predominate, is the abyssal zone euphotic zone estuary zone bathyal zone benthic zone86. Forests cover about _____ % of the U.S. land area. 10 15 25 30 5087. The continuous, low level extinction of species that has occurred since the beginning of life on earth is called continual extinction mass extinction background extinction local extinction biological extinction88. Which of the following countries has a significant whaling industry and whale meat market? United States Australia Great Britain Japan China89. The most important factor in determining which biome is found in a particular area is soil type topography geology climate landforms90. The root cause of food insecurity is war political upheaval poverty corruption climate change91. The location on the earth?s surface above where an earthquake begins is called its apex focus magnitude epicenter fault92. The world?s single largest cause of illness is malaria typhoid mosquitoes poor health unsafe drinking water93. The middle, partially melted zone of the interior of the earth is called the crust tectonic plate core mantle magma94. Which part of the earth?s crust makes up 71% of the crust? oceanic crust asthenosphere lithosphere continental crust geosphere95. Which of the following describes a local area?s short-term temperature, precipitation, and humidity? climate weather rainshadow thermal inversions wind patterns96. Approximately _____ of the commercial energy used in the U.S. is wasted 25% 58% 65% 78% 84%97. In 2008 approximately 36% of the commercial honeybee colonies in the U.S. were lost due to? habitat loss climate change hybridization with African honey bees colony collapse disorder pesticide use98. It takes approximately ____ barrels of water to produce one barrel of shale oil 1 2 5 10 2599. Prevailing winds are the result of what? temperature direction the sun strikes the earth rotation of the earth on its axis ocean currents sun storms100. Which of the following refers to the ability of a living system to be restored after a period of moderate disturbance? stability inertia constancy stability resilience


Paper#62768 | Written in 18-Jul-2015

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