Exam 8: Biogeographic Processes

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Which of the following processes is used to produce biogas as an energy source?

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At each level in a food chain or food web,energy is lost through:

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A collection of closely related animals or plants that share a similar genetic evolutionary history but cannot necessary interbreed to produce fertile offspring is referred to as a:

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The pioneer stage of succession is characterized by shade-tolerant plants that prefer consistent temperature and soil moisture conditions.

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Describe ways in which human activity can reduce biodiversity

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Duration and intensity of light varies with latitude and season and serve as a cue to initiate the growth stages in many plants.

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Describe the successional changes that you might observe in an abandoned agricultural field.

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Write a brief statement to explain the importance of biodiversity in the operation of the Earth's biosphere.

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Net photosynthesis is the total amount of carbohydrates produced by photosynthesis before respiration breaks down the carbohydrate to power the plant

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Describe and explain the water needs of vegetation local to your region.How do humans attempt to alter the local water supply in order to support agriculture and other forms of human-induced vegetation?

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Which of the following factors is responsible for higher productivities in marine coastal areas?

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Plants and algae use light energy to convert carbon dioxide and water into carbohydrates and as such are referred to as first order consumers

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Describe and explain the processes inherent in calculating net photosynthesis.Explain the impact of changes in light intensity.

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Although many different species may occupy the same habitat,only a few of these species will ever share the same ecological niche.

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Generally,how much energy stored in organic matter at one level can be passed up the chain to the next level?

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Photosynthesis and respiration occur simultaneously in a plant so that the amount of new carbohydrate in storage is greater than the total carbohydrate being synthesized

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Generally,how much energy stored in organic matter at one level can be passed up the chain to the next level?

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The Gallapagos Island's finches provide an example of the result of the process of sympatric speciation.

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At present rates,denitrification far exceeds nitrogen fixation,mostly as a result of human activities

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Which of the following statements best describes the process of pyrolysis?

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