RNR 316 Exam2-1997 - RNR 316 Natural Resources Ecology...

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1 RNR 316 Natural Resources Ecology Second Exam: 7 November 1997 SSN: ___________________________ Briefly define the following terms (2 points each): 1. Competition. 2. Net Primary Production. 3. Cohort. 4. Photorespiration. 5. Dispersal (animal). 6. Food Chain. 7. Gause's Principle of Competitive Exclusion. 8. Population. 9. Ecosystem. 10. Niche.
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2 11. True / False; Mark each true statements “T ” and false statement as “F ” (1 point each) ____ True decomposition is conversion of organic to inorganic molecules. ____ An ecological pyramid of numbers depicts the amount of biomass in each trophic level. ____ Fecundity tends to be inversely related to the amount of parental care given offspring. ____ If 8 = 0, then population size is likely to remain stable. ____ If r = 0, then population size is likely to remain stable. ____ Consumers control the rate at which nutrients flow through an ecosystem. ____ An organism ’ s Fundamental Niche will be at least as large as its Realized Niche. ____ Both energy and nutrients are recycled and reused within ecosystems. ____ Secondary production is Gross Primary Production minus Respiration.
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This test prep was uploaded on 04/03/2008 for the course RNR 316 taught by Professor Koprowski during the Spring '97 term at University of Arizona- Tucson.

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RNR 316 Exam2-1997 - RNR 316 Natural Resources Ecology...

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