47. Much of the current tropical forest biomes are e. competition experiencing a rapid rate of decreasing forest cover 49. Environmental degradation is due to logging and conversion of forests to a. a type of pollution which cannot be broken agricultural lands. Scientists estimate, if this trend down in the environment continues, that the loss of forested land would b. harmful materials can be broken down in a. increase the concentration of water vapor in the natural systems air due to increased transpiration c. when we exceed or compromise a renewable b. cause a decrease in soil erosion in those areas resource’s natural replacement rate, the being forested available supply shrinks c. increase the amount of biodiversity in that area d. a type of environmental ethic in which human d. increase the amount of total CO2 in the needs and intelligence allow us to use resources atmosphere as we wish e. decrease the available nitrogen since e. a system of measurement used by decomposition rates would be at its greatest environmental scientists to rate the health of a 48. Many legume plants have specialized fungi, known specific ecosystem as mycorrhizae, living in their roots providing 50. In any energy transformation, some energy is inorganic nutrients such as phosphates and nitrates. always degraded to low quality energy. This The fungus gains valuable nutrients from the roots principle is stated in the of the plants. This relationship is an example of a. second law of thermodynamics a. mutualism b. second law of enthalpy b. commensalism c. first law of entropy c. parasitism d. first law of thermodynamics d. predation e. third law of thermodynamics
47. Much of the current tropical forest biomes are experiencing a rapid rate of decreasing forest cover due to logging and conversion of forests to agricultural lands. Scientists estimate, if this trend continues, that the loss of forested land would a. increase the concentration of water vapor in the air due to increased transpiration b. cause a decrease in soil erosion in those areas being forested c. increase the amount of biodiversity in that area d. increase the amount of total CO2 in the atmosphere e. decrease the available nitrogen since decomposition rates would be at its greatest 48. Many legume plants have specialized fungi, known as mycorrhizae, living in their roots providing inorganic nutrients such as phosphates and nitrates. The fungus gains valuable nutrients from the roots of the plants. This relationship is an example of a. mutualism b. commensalism c. parasitism d. predation e. competition 49. Environmental degradation is a. a type of pollution which cannot be broken down in the environment b. harmful materials can be broken down in natural systems c. when we exceed or compromise a renewable resource’s natural replacement rate, the available supply shrinks d. a type of environmental ethic in which human needs and intelligence allow us to use resources as we wish e. a system of measurement used by environmental scientists to rate the health of a specific ecosystem 50. In any energy transformation, some energy is always degraded to low quality energy. This principle is stated in the a. second law of thermodynamics b. second law of enthalpy c. first law of entropy d. first law of thermodynamics e. third law of thermodynamics
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