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| 1 | |
The amount of carbon in the environment |
| | A) | does not change |
| | B) | is converted to heat and lost to the abiotic environment |
| | C) | is called the carbon cycle |
| | D) | immediately converts to carbon dioxide |
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| 2 | |
The way in which carbon is used and reused through the ecosystem is called |
| | A) | energy recycling |
| | B) | the energy pyramid |
| | C) | the carbon cycle |
| | D) | the biotic/abiotic cycle |
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| 3 | |
The four main processes of the water cycle are |
| | A) | evaporation, transpiration, condensation, and vaporization |
| | B) | precipitation, condensation, transpiration, and evaporation |
| | C) | transpiration, evaporation, precipitation, and vaporization |
| | D) | condensation, vaporization, precipitation, and circulation |
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| 4 | |
The process in which water evaporates from the leaves, stems and flowers of plants is called |
| | A) | precipitation |
| | B) | evaporation |
| | C) | condensation |
| | D) | transpiration |
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| 5 | |
The process in which liquid water changes into gas is called |
| | A) | precipitation |
| | B) | evaporation |
| | C) | condensation |
| | D) | transpiration |
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| 6 | |
The process in which water vapor changes to a liquid is called |
| | A) | precipitation |
| | B) | evaporation |
| | C) | condensation |
| | D) | transpiration |
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| 7 | |
Water that moves over the surface of the ground into lakes and rivers is called |
| | A) | run-off |
| | B) | ground water |
| | C) | a water table |
| | D) | the water cycle |
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| 8 | |
When any substance is added to the environment faster than it can be broken down, stored, or converted to a non-harmful form, it is called |
| | A) | transpiration |
| | B) | concentration |
| | C) | particle suspension |
| | D) | pollution |
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| 9 | |
Bioaccumulation is |
| | A) | a mixture of non-harmful pollutants |
| | B) | the build-up of pollutants in an organism |
| | C) | the process of applying DDT to crops |
| | D) | the number of decaying organisms in an ecosystem |
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| 10 | |
In a food chain, the organisms most affected by bioaccumulation are |
| | A) | top consumers |
| | B) | producers |
| | C) | phytoplankton |
| | D) | parasites |
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