<p>Biology 102 Pre-Quiz 2012 Name: ______Biology 102 – Pre-Quiz</p><p>______1. Which of these is not an aspect of an organism’s niche: A. Where it lives B. What it eats C. What season it is active in D. What time of day it is active E. all of these are aspects of a niche</p><p>______2. In southern Ohio, the successional sere would lead to: A. Boreal Forest B. Pioneer Community C. Temperate Forest D. Competitive Exclusion</p><p>______3. In an ecosystem, energy converted to chemical energy by plants will eventually be A. Released to the soil when they die B. Released as heat through respiration C. Converted to inorganic forms D. Cycled through the ecosystem</p><p>______4. The biome with grasslands interspersed with trees is called: A. Tropical Seasonal Forest B. Prairie C. Desert D. Savanna E. None of these</p><p>______5. What biome is most likely to develop at 30° N or S latitude? A. Tropical Seasonal Forest B. Prairie C. Desert D. Savanna E. None of these</p><p>______6. Wind erosion is deserts is largely prevented by: A. Aerolspicules B. Trees C. hydraulic embedation D. desert pavement E. all of these</p><p>______7. In the carbon cycle what biological process is expected to be roughly in balance with respiration? A. evaporation B. transpiration C. photosynthesis D. filtration</p><p>______8. Phosphorous in the phosphorous cycle is made available to plants in what form? A. dissolved in water B. as a dust in the soil C. taken in by the leaves in rainwater D. all of these E. none of these</p><p>______9. What is the ultimate fate of energy in ecosystems? A. to be cycled through the trophic levels B. to be lost as heat C. to be generated in photosynthesis D. all of these E. none of these</p><p>______10. Which of these is NOT a reason for a pyramid of biomass to develop? A. organisms do not consume all of the energy available in the lower trophic levels B. organisms do not assimilate all of the energy in the food they ingest C. some energy is devoted to reproduction and not to growth D. all of these are true</p><p>______11. Which of these is not a macronutrient of plants? A. calcium B. sulfur C. nitrogen D. manganese E. all of the above are macronutrients of plants</p><p>______12. Most agriculture closely resembles: A. a climax community because energy can be extracted efficiently B. a pioneer community because it is usually based on r-adapted species C. in intermediate community because it is intermediate in resource extraction Biology 102 Pre-Quiz 2012</p><p>______13. Bog plants resort to carnivory because: A. They are particularly susceptible to damage by insects B. Acidic conditions prevent decomposition and thus regeneration of nitrogen C. They cannot have roots in the bog environment D. Bog soils are lacking in organic nutrients E. All of these are true</p><p>______14. A lake formed by a glacier on a mountainside is known as a: A. cirque lake B. oxbow lake C. stratolake D. delrin lake E. none of these</p><p>______15. Stream habitats include pools, riffles and ______A. runs B. slides C. catchments D. imprells E. none of these</p><p>______16. Warm upper waters of a stratified lake in midsummer are separated from cool lower waters by the: A. isoclines B. thermocline C. isometrion D. hadal layer</p><p>______17. Species act to ______competition through resource partitioning A. Increase B. Decrease C. Isolate D. Acerbate</p><p>______18. In a three-level food chain, an decrease in the carnivore population will lead to ______in the producer population. A. An increase B. a decrease C. no change D.there is insufficient information to determine the effect.</p><p>______19. The least productive ocean habitat is: A. Continental shelves B. open ocean (surface) C. coral reefs D. upwellings</p><p>______20. In general, productivity in oceans is controlled by: A. water B. temperature C. light D. nutrients E. none of these</p><p>______21. In which form of symbiosis does one species benefit while the other is neither hurt nor helped? A. Parasitism B. Commensalism C. Mutualism D. Mimicry</p><p>______22. Which of these is not a greenhouse gas? A. carbon dioxide B. water vapor C. methane D. halons E. all of these are greenhouse gasses</p><p>______23. Acid rain: A. has a high pH B. has a pH less than 5.6 C. has a pH greater than 7</p><p>______24. Through most of history, human populations have grown: A. logistically B. arithmetically C. geometrically D. exponentially</p><p>______25. A human living in the United states has the same environmental impact as ______people in an undeveloped country. A. 10 B. 20 C. 100 D. 200 E. 1,000</p>