1. As the 21st century began, the global human population reached billion. a) 3 b) 5 c) 7 d) 8 e) 9

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1 1. Environmental Science and Sustainability 1. As the 21st century began, the global human population reached billion. a) 3 b) 5 c) 7 d) 8 e) 9 2. The interdisciplinary study of humanity s relationship with other organisms and the non-living physical environment is termed: a) ecology. b) sociology. c) political science. d) risk analysis. e) environmental science. 3. Highly developed countries are characterized by: a) high rates of population growth b) high per capita incomes c) simple agricultural bases d) 50% of the world s population e) Thailand, Mexico and South Africa 4. The ability to meet humanity s current needs without compromising the ability of future generations to meet their needs is termed: a) ecology. b) environmental sustainability. c) natural balance. d) synergism. e) environmental science. 5. Examples of non-sustainable human activities or behaviors include: a) recycling. b) attempts to limit human population growth. c) using technology to improve car mileage. d) use of nonrenewable resources as if they were present in unlimited quantities. e) conservation practices. 1 BIO 112 F 2015 MX 1 Q doc

2 6. What activity/activities contribute(s) to making the human species the most significant agent of environmental change on Earth? a) continued population growth b) consuming non-renewable resources c) eradicating unique species d) ignoring the environment e) All of the above. 7. Non-renewable resource IS TO renewable resource AS; a) living is to non-living b) limited supply is to sustainable supply c) tree is to coal d) wind energy is to fossil fuel energy e) conservation is to overexploitation 8. Which of the following represents an idea associated with environmental sustainability? a) The capacity of the environment to absorb toxins is unlimited. b) The human population continues to grow. c) We are using fossil fuels as if they were present in unlimited supply. d) The Earth's resources are not present in infinite supply e) None of the above 3. Ecosystems and Energy 9. Which of the following is an abiotic factor of the environment? a) living spaces b) disease organisms c) photosynthesis d) producers e) detritivores 10. A species is defined as: a) organisms that live together. b) organisms that live in the same area at the same time. c) a group of similar organisms whose members freely interbreed with one another. d) all of the organisms that live together in an area, plus the physical environment that they live in. e) all organisms at a given trophic level within a particular community. 11. Which of the following series is organized according to the levels of organization used by ecologists? a) population -> ecosystem -> community b) species -> community -> abiotic factors c) species -> ecosystem -> population d) population -> community -> biotic factors e) population -> community -> ecosystem 2 BIO 112 F 2015 MX 1 Q doc

3 12. An ecosystem can be characterized as: a) populations + community. b) all species, population, and community interactions for organisms in a given area. c) the abiotic components of the environment. d) all of the biological interactions, plus interactions with the abiotic environment, in a given area. e) interactions between physical processes and the abiotic environment. 13. All of the following are components of the hydrosphere except: a) sea ice. b) tropical rainstorms. c) soil. d) hail. e) rivers. 14. The crust of our planet that is made of rock and soil is what layer? a) hydrosphere. b) ecosphere. c) biosphere. d) lithosphere. e) atmosphere. 15. A wolf is an example of: a) a tertiary consumer. b) an autotroph. c) a saprotroph. d) a herbivore. e) an omnivore. 16. In a pyramid of biomass, the tropic level of which organism would have the LEAST BIOMASS? Grass, is eaten by grasshoppers, which are eaten by toads, which are eaten by snakes a) grass b) grasshoppers c) toads d) snakes e) none of these, all tropic levels would be of equal biomass 17. Which term encompasses the other four? a) community b) population c) species d) biosphere e) ecosystem 3 BIO 112 F 2015 MX 1 Q doc

4 Refer to the food web above: 18. Which statement best portrays the deer? a) consumers that eat producers are primary consumers or herbivores b) secondary consumers eat primary consumers c) both secondary and tertiary consumers are carnivores d) tertiary consumers are also called heterotrophs e) primary consumers are detritus feeders 4 BIO 112 F 2015 MX 1 Q doc

5 4. Ecosystems and Living Organisms 19. The common way that a species is defined is that a members of a species includes all organisms that are similar enough to a) fill the same niche b) occupy the same community c) live together d) freely interbreed in the wild e) be classified in the same kingdom 20. The relationship between a tick and a dog is an example of: a) parasitism. b) mutualism. c) commensalism. d) an epiphytic organism and its host. e) predation. 21. The shape of the bill on the moths in the figure below is most likely the result of: a) coevolution. b) intraspecific competition. c) parasitism. d) natural selection. e) a and d 5 BIO 112 F 2015 MX 1 Q doc

6 22. The associated figure provides support for which of the following processes? a) secondary succession b) competitive exclusion c) coevolution d) mutualism e) resource partitioning 6 BIO 112 F 2015 MX 1 Q doc

7 23. Based on the figure below, as the structural complexity of the vegetation decreases, species richness: Number of bird species Structural complexity of vegetation a) increases. b) decreases. c) remains relatively stable. d) exponentially oscillates. e) displays geometric growth. 24. The reason(s) that tropical regions of the world have such high biodiversity is: a) because they are geologically stable. b) because they have a high productivity. c) because there are many ecological niches. d) All of the above e) None of the above 7 BIO 112 F 2015 MX 1 Q doc

8 Consider species A and B within an ecological community. These species might interact in various ways that represent gains, losses, or no effect to the two species. In the cells below, identify the terms that describe the types of interactions that might be occurring between species A and B in the community. MATCHING / Classification: Match the CHOICE of Examples with the relationship indicated in the table below. CHOICE EXAMPLE for A and B Species Ferns that support orchids Homo neanderthalensis vs Homo sapiens Elk overgrazing Scrub vegetation Bacteria that live in your colon You and your unending demand for Salmon Separate species of Birds roosting in same tree CLASSIFICATION OF RELATIONSHIPS BETWEEN SPECIES For Species A For Species A For Species A For Species B Positive for A Neutral for A Negative for A And Positive for B Mutualism A Commensalism B Competitive Exclusion C And Neutral for B Resource partitioning D And Negative for B Predation E Competitive Limited Resources AC 8 BIO 112 F 2015 MX 1 Q doc

9 5. Ecosystems and the Physical Environment 31. Which of the following is not one of the biogeochemical cycles considered of particular importance for organisms? a) carbon b) hydrogen c) nitrogen d) phosphorus e) water 32. In the carbon cycle, carbon can be found in: a) limestone, animals, and plants. b) oil, bicarbonate, and sugar. c) carbon dioxide and coal. d) the atmosphere. e) All of the above 33. Approximately what percentage of the atmosphere is CO2? a) 0.001% b) 0.037% c) 10% d) 30% e) 75% 34. Which of the following is not a source of carbon for the carbon cycle? a) shells of marine organisms b) oil c) decomposers d) fertilizer e) the atmosphere 9 BIO 112 F 2015 MX 1 Q doc

10 35. The nitrogen cycle is one of the most important and complex of the biogeochemical cycles. It is important because nitrogen: a) is a greenhouse gas b) is an essential part of biological molecules such as proteins and nucleic acids (DNA) c) is the most toxic element to living organisms d) dilutes the oxygen in the atmosphere causing respiratory problems e) is a crucial part of the process of photosynthesis 36. Solar radiation: a) powers the hydrologic and other biogeochemical cycles. b) is essential for photosynthesis. c) is the product of a massive nuclear fusion reaction. d) is captured by plants and may eventually become the energy available from fossil fuels. e) All of the above 37. The Earth's atmosphere is important because: a) it is primarily composed of oxygen, essential for our survival. b) it is composed of approximately twenty different layers. c) it protects us from UV radiation and X-rays. d) it is a stable and unchanging part of our global environment. e) the most dense outer layer shields the Earth's surface from dangerous forms of energy. 38. The phenomenon in which high levels of carbon dioxide cause global warming is known as: a) the Gaia theory. b) acid deposition. c) the greenhouse effect. d) global distillation. e) the El Niño Southern Oscillation. 39. Complex horizontal movements of the atmosphere are commonly known as: a) gyres. b) wind. c) climate. d) The Coriolis effect. e) upwelling. 10 BIO 112 F 2015 MX 1 Q doc

11 40. The Coriolis effect is due to: a) variations in the amount of solar radiation reaching different locations. b) seasonal changes in the levels of solar radiation at a given location. c) The density of the oceans. d) the Earth's orbit. e) the Earth's rotation. 41. Which of the following accurately represents a carbon source and the process that releases carbon from that source? a) fossil fuels, respiration b) animals, photosynthesis c) plants, cellular respiration d) bicarbonate, combustion e) limestone, combustion 42. El Niño and La Niña are similar in that both events a) originate in the Atlantic Ocean b) affect weather patterns c) are predictable every year d) cause global cooling e) are associated with Christmas Chapter 6 Major Ecosystems of the World 43. Which of the following is characteristic of desert animals? a) They tend to be quite large in size. b) They remain inactive during the driest months of the year. c) They are active throughout the day and night. d) Rodents are the only group of mammals represented in this biome. e) Amphibians and reptiles are absent. 44. Chaparral biomes occur: a) only in the immediate area surrounding the Mediterranean Sea. b) in regions with low levels of annual precipitation. c) in areas with very fertile soil and a deep topsoil layer. d) in areas where fires are almost nonexistent. e) in regions around the globe with mild, wet winters, followed by hot, dry summers. 11 BIO 112 F 2015 MX 1 Q doc

12 45. Which of the following organizational hierarchies is correct? a) ecosystem population community biome b) biome community population ecosystem c) community population ecosystem biome d) population community ecosystem biome e) ecosystem biome community population 46. A relatively distinct terrestrial region characterized by similar environmental factors regardless of where it occurs in the world is called a/an: a) biome. b) community. c) ecosystem. d) habitat. e) population. 47. The biome most suitable for the development of farmland is: a) taiga. b) tropical rain forest c) temperate grassland. d) chaparral. e) tundra. 48. Hot summers and cold winters, topsoil rich in organic material, annual precipitation of 75 to 125 cm (30-50 in), and many hardwood trees are characteristics of the: a) temperate deciduous forest. b) temperate grassland. c) temperate rain forest. d) boreal forest. e) chaparral. 49. The biome with considerable organic material in the soil, annual precipitation of inches, and periodic wildfires to maintain the dominant vegetation is the: a) temperate deciduous forest. b) chaparral. c) temperate grassland. d) boreal forest. e) temperate rain forest. 12 BIO 112 F 2015 MX 1 Q doc

13 50. Which of the following biomes has the highest biodiversity? a) temperate deciduous forest b) savanna c) taiga d) tropical rain forest e) tropical desert 51. According to the diagram below, chapparal biomes would fall into the area marked by the letter: a) a b) b c) c d) d e) e Cold Artic Decreasing Temperature A B Increasing Latitude C Hot D E Tropics WET Decreasing Precipitation DRY 13 BIO 112 F 2015 MX 1 Q doc

14 Using the color Chart below, identify the major biomes indicated by the intersection of boundaries on the Precipitation and Temperature graph 52. Desert 53. Forest Boreal 54. Forest Temperate Deciduous 55. Forest Temperate Rain 56. Forest Tropical Rain 57. Grassland 58. Permanent Ice 59. Tundra 14 BIO 112 F 2015 MX 1 Q doc

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