NATS 104 LIFE ON EARTH Section: __________ SPRING, 2002 SECOND 100-pt EXAM. Name: ________________ USE THE “BUBBLE SHEET” TO ANSWER THE FOLLOWING QUESTIONS. ENTER YOUR NAME ON THE BUBBLE FORM AND FILL THE CIRCLES. (be sure to mark "blank" between your first, middle, and last names) Each question is worth 3 points. 1. On the map above “D” refers to a. Boreal Forest b. Chaparral (Woodland) c. Desert d. Grasslands e. Temperate Deciduous Forest 2. On the map above “F” refers to a. Boreal Forest b. Chaparral (Woodland) c. Desert d. Grasslands e. Temperate Deciduous Forest 3. On the map above, for biome “E” the most important factor is a. Availability Of Light b. Cold (summer temperature less than 10°C), Wind c. Dry, Fires Very Frequent d. Seasonal (summer) Drought e. Very Dry (less than 250 mm annual rainfall) 4. On the map above, for biome “A” the most important factor is a. Availability Of Light b. Cold (summer temperature less than 10°C), Wind c. Dry, Fires Very Frequent d. Seasonal (summer) Drought e. Very Dry (less than 250 mm annual rainfall)The arrows symbolize biological process that change the frequency of traits or alleles in a population. 5. The evolutionary process diagramed above under “A” is a. directional selection b. disruptive selection c. microevolution d. natural selection e. stabilizing selection 6. The evolutionary process diagramed above under “B” is a. directional selection b. disruptive selection c. microevolution d. natural selection e. stabilizing selection 7. The evolutionary process diagramed above under “C” is a. directional selection b. disruptive selection c. microevolution d. natural selection e. stabilizing selection8. In the figure of atmospheric circulation above, letter "A" marks the a. Easterlies b. Hadley Circulation c. ITCZ d. Trade Winds e. Westerlies 9. In the figure of atmospheric circulation above, letter "D" marks the a. Easterlies b. Hadley Circulation c. ITCZ d. Trade Winds e. Westerlies 10. in the figure above, the feature of atmospheric circulation primarily responsible for the locations of Earth's tropical rainforest biomes is a. A b. B c. C d. D e. E11. In the figure of the marine ecosystem above, the pelagic layer where oxygen is usually highest is marked by a. A b. B c. C d. D e. E 12. In the figure of the marine ecosystem, the pelagic layer where dissolved nutrients are most abundant is a. A b. B c. C d. D e. E 13. In the figure of the marine ecosystem above, the layer most similar to the “littoral” area of freshwater ecosystems is a. A b. B c. C d. D e. E 14. In the figure of the marine ecosystem above, the “thermocline” is between a. A & B b. B & C c. C & D d. D & E e. E & A15. The ecosystem trophic member known as “Producers” best match the role of a. breakdown organic remains b. carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur c. feed on partly decomposed matter e. herbivores, carnivores, omnivores f. photoautotrophes 16. Dinosaurs became Earth's dominant organisms during the a. Cenozoic b. Holocene c. Mesozoic d. Paleozoic e. Pleistocene 17. The feature of climate and atmospheric circulation produced by heating at the equator producing ascending air that descends at 20 - 30 o N and S latitude is (are) a. Easterlies b. Hadley Circulation c. ITCZ d. Trade Winds e. Westerlies 18. The ecosystem trophic member known as “Consumers” best match the role of a. breakdown organic remains b. carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur c. feed on partly decomposed matter e. herbivores, carnivores, omnivores f. photoautotrophes 19. The skulls of which hominid has the largest cranial ridges a. Australopithecus afarensis b. Homo erectus c. Homo habilis d. Homo neanderthalensis e. Paranthropus boisei 20. Species may be driven to extinction by a. complicated, hidden factors b. obvious factors c. human activities d, all of the above (a,b,c) e, none of the above (a,b,c) 21. Global-scale regions characterized by certain types of life, especially forms of vegetation are a. acreages b. biomes c. ecosystems d. environments e. systems22. A biome characterized by drought, grazing by large herbivores, and very frequent fires. a. boreal forest b. chaparral c. grassland d. deciduous forest e. tundra 23. The most accurate technique dating prehistoric events is a. the fossil sequence b. potassium - argon dating c. radiocarbon dating d. stratigraphic correlation e. tree rings 24. Of the following causes of mass extinctions, the one explaining the extinction of dinosaurs that is best supported by geological evidence from the Yucatan Peninsula of Mexico is a. asteroids b. climate c. oceanic catastrophe d. predation e. volcanoes 25. The following are primary factors determining Earth's climate except a. Earth's energy is from the sun b. Earth is a sphere c. Earth looses heat to space through evaporation d. Earth rotates on its axis e. Earth's redistribution of energy 26. The following are unique features in primate-hominid evolution except a. color binocular vision b. grasping hands c. large brain d. mating behavior e. walking upright 27. The general term for short-term changes in temperature, rain fall, clouds, and winds is a. climate b. fronts c. precipitation d. tornadoes e. weather 28. The "out of Africa" hypothesis means that a. Homo habilis was the first hominid tool user b. Homo habilis was the closest ancestor of Homo erectus c. Homo erectus was the first hominid to use fire d. Homo sapiens is not a blend of Homo erectus stock e. Orrorin tugenensis was the earliest hominid29. _______ organs develop from the same tissue during an organism's growth and development, but they serve very different purposes in adult animals. a. adaptive b. analogous c. directional d. homologous e. stabilizing 30. The primary division of the dinosaurs into two groups is based on a. their diet (carnivore vs. herbivore) b. the environment they inhabited (air, land, water) c. their metabolism (warm blooded vs. cold blooded) d. the shapes of their hips e. their size 31. The process resulting in changes of