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1 | | We are currently at the highest human growth rate in history. |
| | A) | True |
| | B) | False |
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2 | | The biotic potential is the maximum population that the environment can support for an indefinite period of time. |
| | A) | True |
| | B) | False |
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3 | | In LDC's (less-developed countries), the death rate has declined but the birthrate has remained high. |
| | A) | True |
| | B) | False |
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4 | | Africa will experience the greatest population increase in the next 50 years. |
| | A) | True |
| | B) | False |
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5 | | A resource is anything needed from the biotic or abiotic environment for human life and civilization. |
| | A) | True |
| | B) | False |
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6 | | A nonrenewable resource supply can never be exhausted. |
| | A) | True |
| | B) | False |
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7 | | The need of a population for resources and the amount of pollution it produces is independent of its size. |
| | A) | True |
| | B) | False |
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8 | | Agriculture poses the greatest threat to our fresh water supply. |
| | A) | True |
| | B) | False |
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9 | | Aquifers are supplying more and more of the fresh water used by man. |
| | A) | True |
| | B) | False |
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10 | | By planting only one type of crop, farmers run the risk of crop loss from disease. |
| | A) | True |
| | B) | False |
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11 | | Soil erosion is a serious problem that affects both our water and food supplies. |
| | A) | True |
| | B) | False |
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12 | | Salinization makes land unsuitable for growing crops. |
| | A) | True |
| | B) | False |
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13 | | A disease in the LDCs caused by severe carbohydrate deficiency is called kwashiorkor. |
| | A) | True |
| | B) | False |
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14 | | Domesticated livestock eat a large portion of the crops raised in the US and account for large amounts of pollution. |
| | A) | True |
| | B) | False |
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15 | | Hydrogen, which can be used as a fuel, can be extracted from water using solar energy. |
| | A) | True |
| | B) | False |
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16 | | Strip mining is more environmentally feasible than deep mining. |
| | A) | True |
| | B) | False |
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17 | | Biological magnification of hazardous waste means they have become more concentrated in the food chain since they accumulate in the bodies of organisms. |
| | A) | True |
| | B) | False |
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18 | | Fertilizer runoff and human sewage can cause increased algae growth in lakes and rivers leading to increased fish populations. |
| | A) | True |
| | B) | False |
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19 | | Biodiversity refers to the number of different species on Earth. |
| | A) | True |
| | B) | False |
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20 | | Habitat loss has occurred in all ecosystems and is a major factor in causing extinction. |
| | A) | True |
| | B) | False |
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21 | | Introduction of alien species usually means a beneficial contribution to local food webs. |
| | A) | True |
| | B) | False |
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22 | | Overfishing for a food source, such as tuna, is an example of overexploitation. |
| | A) | True |
| | B) | False |
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23 | | Overexploitation of one species can have a detrimental effect on other species as the food web is interrupted. |
| | A) | True |
| | B) | False |
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24 | | Emerging diseases do not affect wildlife as they affect humans. |
| | A) | True |
| | B) | False |
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25 | | The natural biogeochemical cycles are important because technology can not contribute to or create any of them. |
| | A) | True |
| | B) | False |
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26 | | Decomposers do not perform a needed function in maintaining biodiversity. |
| | A) | True |
| | B) | False |
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27 | | Freshwater has no substitute. |
| | A) | True |
| | B) | False |
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28 | | The rosy periwinkle provides medicines used to treat leprosy. |
| | A) | True |
| | B) | False |
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29 | | The use of natural predators or natural resistances saves money as well as preserves biodiversity. |
| | A) | True |
| | B) | False |
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30 | | Many natural products such as crops, fish, fruit, and rubber, are important to the economies of nations. |
| | A) | True |
| | B) | False |
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31 | | The overpopulation of MDCs and the overconsumption of LDCs increase pollution and extinction of wildlife. |
| | A) | True |
| | B) | False |
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32 | | The Gross National Product pertains solely to economic activities and does not take into consideration activities that are socially or environmentally harmful. |
| | A) | True |
| | B) | False |
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