Exam 5: Ecosystems and Matter Cycling
Exam 1: Environment, Resources, and Society73 Questions
Exam 2: Responding to Global Environmental Change80 Questions
Exam 3: Energy Flows and Ecosystems74 Questions
Exam 4: Ecosystems Are Dynamic74 Questions
Exam 5: Ecosystems and Matter Cycling74 Questions
Exam 6: Planning and Management Perspectives80 Questions
Exam 7: Planning and Management: Processes and Methods75 Questions
Exam 8: Climate Change75 Questions
Exam 9: Oceans and Fisheries79 Questions
Exam 10: Forests80 Questions
Exam 11: Agriculture80 Questions
Exam 12: Water80 Questions
Exam 13: Minerals and Energy84 Questions
Exam 14: Urban Environmental Management80 Questions
Exam 15: Endangered Species and Protected Areas80 Questions
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An underground formation of loose materials may be ________.
(Multiple Choice)
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Water moves through the hydrological cycle fuelled by energy from ________.
(Multiple Choice)
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Acid deposition is due mainly to human interference in the ________.
(Multiple Choice)
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The dominant limiting factor for freshwater aquatic ecosystems and for plant growth in terrestrial systems is usually ________.
(Multiple Choice)
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When organic wastes are added to a body of water, ________.
(Multiple Choice)
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Most nutrients have a large, slow-moving abiotic pool and a rapidly exchanged biotic pool.
(True/False)
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The elements that make up your body have undergone millions of years of recycling.
(True/False)
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Eutrophication tends to increase populations of ________ at the expense of ________.
(Multiple Choice)
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Bacteria are an important component of the sulphur cycle because ________.
(Multiple Choice)
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Seventy-five per cent of the world's fresh water is held in ________.
(Multiple Choice)
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What is cultural eutrophication? What are the main nutrient sources contributing to it? What can we do to minimize cultural eutrophication?
(Essay)
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________ has/have the highest buffering capacity in terms of acid deposition.
(Multiple Choice)
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Leaf decay in the tropics takes ________, while in the boreal forest it takes ________.
(Multiple Choice)
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Carbon dioxide gas accounts for ________ of the atmosphere.
(Multiple Choice)
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________ is NOT a characteristic of oligotrophic ecosystems.
(Multiple Choice)
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