RNR 316 Exam1-1997 - RNR 316 Natural Resources Ecology Exam...

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RNR 316 Natural Resources Ecology Soc. Sec. No. _______________________ Exam No. 1 : September 29, 1997 Succinctly define or identify the following terms (2 points each): 1. Ecology 2. Climate 3. Microclimate 4. Tiller 5. El Niño 6. Homeostasis 7. Stress 8. Adaptation 9. Phytomer 10. Heliothermism
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11. True / False: Mark each true statement with a “T” and each false statement with “F” (1.5 points each). ____ Ectothermic animals depend on internal sources of heat to maintain their body temperature. ____ High C/N ratios in soil organic matter (>30 or so) enhance rates of nitrogen mineralization over rates of immobilization. ____ Axillary buds can be found in the root crowns, stolons, and rhizomes of perennial grasses. ____ An adiabatic process is one in which moisture is not gained or lost. ____ The ultimate source of all nitrogen found in terrestrial ecosystems is parent rock material. ____ The dry adiabatic lapse rate is faster than the moist adiabatic lapse rate. ____ During the vegetative phase of perennial grasses, meristems are more elevated and less tolerant
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RNR 316 Exam1-1997 - RNR 316 Natural Resources Ecology Exam...

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