ensp2000

1. the water reuse system on the campus of GSU - ANSWERS conserves water by using treated city wastewater instead of city tap water for irrigation 2 .The bio energy garden at GSU is used to show plants that can be used - ANSWERS as biofuels that will not add any extra carbon dioxide into the atmosphere 3. LEED standards in the construction of new buildings establishes criteria that - ANSWERS conserve energy and water and improve indoor air quality 4. one common way to increase the sustainability of a food system is to buy and consume... - ANSWERS foods that are grown locally 5. what environmental problem is being addressed by the use of bio swales, large vegetated ditches or depressions, on the campus of GSU? - ANSWERS the pollution of water for irrigating lawns and landscaping 6. A researcher wants to determine if water runoff from farm fields sprayed with herbicides affects the hatching success of frog eggs in nearby ponds. What experiment could the researcher conduct to address her question? - ANSWERS Observation: I've seen that frog eggs... Hypothesis: The hatching success of frog eggs... Prediction: If frog eggs are exposed to elevated levels... Test: In the laboratory, raise frog eggs in pond water with... Results: Analysis of experimental data... 7. The United Nations Commission on Sustainability argued that sustainability is maintaining the ability to accommodate three important sources of change. Which of the following statements reflects these sources of change? - ANSWERS The world is changing, we are changing, and we are changing the world 8. Which one of the following is an example of environmental sustainability? - ANSWERS composting and tilling under parts of plants that are not harvested on a farm 9. Which of the following best illustrates sustainability? - ANSWERS Using solar panels on rooftops to generate electricity 10. Which of the following represents a biotic component of a hardwood forest in PA? - ANSWERS mushrooms under some leaves 11. Which of the following best illustrates an example of ecosystem integrity? - ANSWERS Within two years after the devastating Yellowstone National Park wildfires of 1988, the burnt forest floor was covered in new grasses, flowers, and young trees taking advantage of the open regions and enriched soil 12. Which of the following represents an ecosystem function? - ANSWERS With her apple orchard located nearby the large prairie reserve, the farmers crop was pollinated by the many insects from the prairie 13. Which of the following represents an example of a regulating ecosystem service? - ANSWERS As river levels rise with spring precipitation and snowmelt in the Midwest of the US, marshes and swamps along the edge of the Mississippi River become flooded. These flooded regions regulate water levels and reduce river levels and threats of flooding in the towns further along the river 14. Sunlight enters a prairie ecosystem where it promotes the evaporation of water, is captured by photosynthesis into molecules that build and sustain plants, and is reflected back into the sky. If we created an energy equation of the input and outputs of this prairie ecosystem we would say that... - ANSWERS the total amount of energy equals the total amount of energy absorbed, reflected, and released 15. In general, natural ecosystems are... - ANSWERS influenced by surrounding ecosystems 16. Which of the following best illustrates the open nature of ecosystems? - ANSWERS Nitrogen is transported from fertilized agricultural fields into streams and eventually into the ocean 17.Regular wildfires in many forests open up areas where new trees can grow. Eventually, these young trees will refill the burned regions and the mature forest will be restored. This type of recovery best illustrates... - ANSWERS dynamic homeostasis in ecosystems 18. When human abuse of an ecosystem has changed it so much that the ecosystem can no longer return to its previous state, that ecosystem... - ANSWERS has reached its threshold of change 19. Two important sources of uncertainty in our understanding of the environment are... - ANSWERS ignorance and complexity 20. The scientific process ahd reduced uncertainty about our world through unbiased, reliable, and valid testing. The component of the process that deals with comparisons is the... - ANSWERS control group 21. Which of the following best illustrates the sustainable use of a resource? - ANSWERS Huge windmills in Texas are able to capture 50% of the wind energy in a specific region 22.As human population and demands for resources have changed, our definition of sustainability has also changed. One hundred and fifty years ago, human resource use was largely determined by... - ANSWERS human needs or desires 23. Environmental science is best described as... - ANSWERS studying all aspects of an environment 24. The current total world population has just passed... - ANSWERS 7 billion 25. A cultural ecosystem service might be... - ANSWERS the beauty of inspiration provided by a forest 26. All the organisms and their physical and chemical environments within a specific area best describe... - ANSWERS ecosystems 27. Which one of the following is an activity that would be supported by an environmental preservationist? - ANSWERS A group of four backpackers hiking overnight deep inside Glacier National Park 28. Which one of the following frameworks assigns intrinsic value only to humans? - ANSWERS anthropocentrisme ethics 29. Objecting to the rearing of domestic animals for food and leather is most consistent with___ethics - ANSWERS bio centric 30. Providing tax credits for purchasing energy-efficient geothermal home heating and cooling is an example of___ - ANSWERS incentives 31.In the state of Arizona, the use of groundwater has been aggressively managed since about 1980. Before that time, agricultural, commercial, and private demands for water were growing at levels that were not sustainable. Before water regulation of any sort, demand for water in all its forms in the state of Arizona illustrated... - ANSWERS the tragedy of the commons