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| 6683378542 | you are visiting a developing country compared to a developed country you would expect to find | higher percentage of the population under age 15 | 0 | |
| 6683395546 | which of the following applies to positive feedback loops? | compound interest and amplifies systems | 1 | |
| 6683413210 | which of the following can not be concluded from the law of conservation of matter | we will eventually run out of matter if we keep consuming it | 2 | |
| 6683421115 | which of the following is an ex of low quality energy | heat in the ocean | 3 | |
| 6683431498 | which of the following statements does not apply to the second law of energy | energy can neither be created nor destroyed | 4 | |
| 6683444294 | ecology is the study of how | organisms interact with eachother and their nonliving environment | 5 | |
| 6683456825 | all of the following are major causes of differences among aquatic ecosystems except | precipitation | 6 | |
| 6683459740 | autotrophs | can live without heterotrophs | 7 | |
| 6683475949 | organisms that complete the final breakdown and make nutrients available to plants from the remains or wastes of all organisms are called | decomposers | 8 | |
| 6683479944 | net primary productivity | is the energy available to the rest of the food web | 9 | |
| 6683489443 | which of the following ecosystems has the highest average net primary productivity | swamps and marshes | 10 | |
| 6683495655 | nitrogen fixation is accomplished by | bacteria | 11 | |
| 6683500708 | the form of nitrogen most usable to plants is | nitrates | 12 | |
| 6683510262 | ammonium ions are converted to nitrite ions and nitrate ions through the process of | nitrification | 13 | |
| 6683519769 | which of the following factors causes the greatest ecological impact in a developed country | average resource use | 14 | |
| 6683524475 | the matter and energy laws tell us that we can recycle | matter but not energy | 15 | |
| 6683531158 | estimates of the number of species existing on earth range from | 10 to 15 million | 16 | |
| 6683545001 | all of the following increase the amount of carbon dioxide in the atmosphere except | photosynthesis | 17 | |
| 6683551808 | all of the following are sources of phosphorous except | acid rain | 18 | |
| 6683557691 | an ecological niche includes all of the following except | the specific location where a species | 19 | |
| 6683571187 | the correct order of most to least precipitation is | forest grassland desert | 20 | |
| 6683579991 | a change in the genetic composition of a population over successive generations is called | evolution | 21 | |
| 6683588940 | name the biome that is located near the coast with a dense layer of shrubs adapted to frequent fires | chaparral | 22 | |
| 6683621692 | based on the theory of island biogeography by eo wilson you would predict that large islands near the mainland would have relatively | high immigration and low extinction rates | 23 | |
| 6683647007 | choose the statements that do not describe a temperate deciduous forests | have nutrient poor soil | 24 | |
| 6683659943 | lakes such as lake tahoe that have few minerals and low productivity are reffered to as | oligotrophic | 25 | |
| 6683667900 | what does species richness refer to | the number of different species | 26 | |
| 6683675827 | which of the following statements is false | interspecific competition is competition between two members of the same species | 27 | |
| 6683721271 | a relationship in which one species benefits while the other is neither helped nor harmed to any significant degree is best labelled | commensalism | 28 | |
| 6683735794 | of the following relationships the one most likely to be described as a positive feedback loop is | mutualism | 29 | |
| 6683745221 | which of the following statements about primary succession is true | it is initiated by pioneer species, it often involves species changing the environment so that they can no longer thrive and must be replaced by other species, it generally results in more complex more self-sustaining stages than the preceding ones | 30 | |
| 6683786032 | which of the following connections among population cycle survival strategies and survivorship curves would you most expect to see | boom and bust r strategist early loss | 31 | |
| 6683812462 | which of the following is not affected by deforestation | ozone layer hole | 32 | |
| 6683821289 | the least amount of energy is available to which trophic level | tertiary consumers | 33 | |
| 6683841597 | which of the following is an effective way to preserve the interrelationships of species in a sustainable manner | a single large biosphere reserve | 34 | |
| 6683850382 | which of the following is true of captive breeding program | expensive and many reproductive technologies are available to assist animal scientists | 35 | |
| 6683869065 | which of the following is true of old growth forests | undisturbed for 100 years or more | 36 | |
| 6683882456 | the advantages of clear cutting include | max profits, land can be reforested w fast growing trees, equipment and fuels costs are min, reduce the opportunity for invasive species or other human activities in the forest | 37 | |
| 6683903429 | what are the consequences of crown fires | decrease water quality and decrease of wildlife habitat | 38 | |
| 6683914572 | which of the following is true of the ecosystem approach of maintaining biodiversity | creation of preserves such as national parks through government action | 39 | |
| 6683926272 | what are the immediate causes of extinction | habitat loss invasive species pollution and overhasrvesting | 40 | |
| 6687699754 | choose the statement that is false regarding habitat islands | many small islands increase the biodiversity compared to a single large island | 41 | |
| 6687704134 | total energy output is ______ total energy output | always equal to | 42 | |
| 6687708061 | the max population size that a given environmental can sustain is the | carrying capacity | 43 | |
| 6687720006 | which of the following are solutions to the tragedy of the commons | government regulations, international treaties, private property | 44 | |
| 6687766452 | which system is controlled by a negative feedback loop | mining aluminum when recycling is commonly used, a thermostat, population density of wolves in a healthy ecosystem, costs of goods due to supply and demand | 45 | |
| 6687803780 | what challenges would a country undergoing rapid population decline expect to experience | larger draw on the social security system, increase use of medical services, greater percent of population who are elderly | 46 | |
| 6687807140 | women tend to have fewer and healthier children when | live in societies in which their rights are protected, have access to education, have access to high paying jobs, have access to birth control | 47 | |
| 6687928119 | which of the following is an intrinsic value of intact ecosystems | biophilia | 48 | |
| 6687941361 | which animal has been the beneficiary of the species approach to maintaining biodiversity | giant panda | 49 | |
| 6687948082 | what are best defined as substances that cause birth defects | teratogens | 50 | |
| 6687951936 | the worldwide drop in sperm counts among men has been attributed to | endocrine disruptors | 51 | |
| 6687954522 | properties of toxicants ild up in animals through bioaccumilation are | persistent, fat soluble | 52 | |
| 6687964275 | acid rain is primarily the result of humans altering the ____ cycle | sulfur | 53 | |
| 6687966884 | the first national park was | yellowstone | 54 | |
| 6687979032 | when deforestation occurs a positive externality that is lost but not accounted for in the market price is | the clean water the forest provides | 55 | |
| 6687987821 | according to the IPAT model technology that enhances our acquisition of minererals fossil fuels timber and ocean fish | increase environmental impact | 56 | |
| 6688004953 | if the growth rate of a population is 2% how long will it take for the population to double | 35 years | 57 | |
| 6688053993 | which group of organisms is the most important in terms of contributing the most species to the global biodiversity | insects | 58 | |
| 6688063416 | secondary succession | occurs after a flood or fire | 59 | |
| 6688066647 | which of the following is a pioneer species | lichens | 60 | |
| 6688075683 | when organisms come in contact but dont mate due to physiological or behavioral barriers it is called | reproductive isolations | 61 | |
| 6688083296 | liver disease that develops due to long time use of alcohol and drugs would be an example of a | chronic effect | 62 | |
| 6688083297 | ecologists have been studying populations in tropical regions to determine the effects of ddt on aquatic systems. which population would you expect to show the most effects | predatory birds like pelicans | 63 | |
| 6688085108 | 64 | |||
| 6688085107 | which statements best illustrates limitations to determining the toxicities of environmental chemicals | humans are not exposed to just one chemical, they are exposed to a mixture of chemicals that may produce synergistic effects | 65 | |
| 6688085109 | controlled burns would be used in forests | that are subject to severe wildfires to reduce fuel load | 66 | |
| 6688087933 | which of the following does not describe the impact of forests on the water cycle | increase total water availability | 67 | |
| 6688087934 | the ultimate goal of forest management using fire which includes | trees of various size and age classes distributed evenly or clumped | 68 | |
| 6688087935 | the logging practice ____ removes snags after a natural disturbance such as a fire or insect damage | salvage logging | 69 | |
| 6688087936 | what best explains the reason near and far islands of similar size have the same extinction rate | they have the same number of resources available once organisms arrive | 70 | |
| 6688087937 | the theory of island biogeography as seen on the graphs describes which of the following ecological principles | there is a given number of species or equilibrium that habitat islands can support | 71 | |
| 6688092372 | characteristics that would lead to a nonnative organisms becoming invasive in a new environment would include which of the following characteristics | high reproductive rate, generalists | 72 | |
| 6688291368 | which of the following nonpoint pollution types is most likely to cause cultural eutrophication in lake ecosystems | fertilizers from ag fields | 73 | |
| 6688296531 | restricts the international trade of threatened organisms | CITES 1975 | 74 | |
| 6688303793 | allows presidents to set aside land without an act of congress | antiquities act of 1906 | 75 | |
| 6688309831 | a group of individuals of the same species occupying a given area at the same time | population | 76 | |
| 6688318999 | a community of living organisms interacting with one another and the physical and chemical factors of their nonliving environment | ecosystem | 77 | |
| 6688323500 | organisms that are reproductively isolated from eachother | species | 78 | |
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| 6688340237 | 80 | |||
| 6688340238 | early successional species | r selected | 81 | |
| 6688340239 | most vulnerable to extinction | K selected | 82 | |
| 6688340240 | late reproductive maturity | K selected | 83 | |
| 6688343517 | control group | group without salt | 84 | |
| 6688343518 | control factor | paper towels | 85 | |
| 6688343519 | experimental factor | amount of salt | 86 | |
| 6688343520 | biomagnifies in food web banned due to decline in fish eating bird populations | DDT | 87 | |
| 6688343521 | endocrine disruptor found in plastics | bisphenol A | 88 | |
| 6688346663 | neurotoxins released in burning of coal | mercury | 89 | |
| 6688346664 | 90 | |||
| 6688346665 | 91 | |||
| 6688346666 | 92 | |||
| 6688348842 | the agent is a protozoa of the genus plasmodium | malaria | 93 | |
| 6688348843 | a solutions to this disease includes the reduction of poverty so communities can afford clean drinking water | cholera | 94 | |
| 6688348844 | this disease is subject to antibiotic resistance that results from poverty or lack of education | tuberculosis | 95 | |
| 6688353622 | the vector is human mucus and saliva | flu | 96 |
