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| 1 | |
The study of how an organism is adapted to its environment and how the environment impacts the distribution of that species is most specifically referred to as |
| | A) | behavioral ecology. |
| | B) | ecosystems ecology. |
| | C) | population ecology. |
| | D) | physiological ecology. |
| | E) | community ecology. |
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| 2 | |
The import of an organisms natural enemy to its new environment in order to control its population is most accurately referred to as |
| | A) | bioremediation. |
| | B) | biological control. |
| | C) | invasive species. |
| | D) | introduced species. |
| | E) | natural control. |
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| 3 | |
Which of the following is a component of climate? |
| | A) | Light |
| | B) | Wind |
| | C) | Temperature |
| | D) | Water |
| | E) | All of the choices are components of climate. |
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| 4 | |
Molecules secreted by one species of plant that give it a selective advantage over populations of other species are most accurately referred to as |
| | A) | toxins. |
| | B) | antibodies. |
| | C) | allelochemicals. |
| | D) | biomass inhibitors. |
| | E) | repressors. |
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| 5 | |
Which of the following factors can influence the size of a population? |
| | A) | Temperature and moisture |
| | B) | Competitors |
| | C) | Food supply |
| | D) | Predators |
| | E) | All of these factors can influence the size of a population. |
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| 6 | |
True or False: Observed correlation is usually sufficient to demonstrate causation. |
| | A) | True |
| | B) | False |
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| 7 | |
A line on a map connecting points of equal temperature is most accurately referred to as a(n) |
| | A) | latitude. |
| | B) | longitude. |
| | C) | isotherm. |
| | D) | equator. |
| | E) | hemisphere. |
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| 8 | |
Which one of the following statements about the greenhouse effect and global warming is correct? |
| | A) | Without the greenhouse effect, the average temperature on Earth would be just above freezing. |
| | B) | It is infrared radiation being redirected to Earth by atmospheric CO2 that provides a majority of the planet's heat. |
| | C) | CO2 has a lower global warming potential per unit of gas than other major greenhouse gases. |
| | D) | Estimates of global warming predict atmospheric CO2 concentrations to double every decade. |
| | E) | All of the statements about the greenhouse effect and global warming are correct. |
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| 9 | |
The availability of water is critical for which of the following cellular functions? |
| | A) | Elimination of wastes in animals |
| | B) | Hydrostatic support in plants |
| | C) | Participation in hydrolysis reactions |
| | D) | Providing a solvent for metabolic reactions |
| | E) | The availability of water is critical for all of these cellular functions. |
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| 10 | |
Which of the following most accurately describes a photic zone? |
| | A) | An environment in which C 3 plants survive, but is inhospitable for C 4 plants |
| | B) | The region in an aquatic environment where light is sufficient to allow photosynthesis to exceed respiration |
| | C) | The range of rainfall which provides maximal grassland accumulation, which in turn allows the highest population density of grazing species |
| | D) | The optimal salinity of an ocean environment for marine animals and plants |
| | E) | The altitude at and above the point on a mountainside where trees stop growing because transpiration exceeds water intake |
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| 11 | |
Which of the following statements regarding the effects of varying salt concentrations in the environment is incorrect? |
| | A) | Some organisms have evolved specific physiological mechanisms that have enabled them to survive in high or low salt concentrations. |
| | B) | Plants adapted to high salt environments, such as beach grasses and mangroves, are known as halophytes. |
| | C) | The addition of salt based fertilizers is offset by consistent watering of crops, preventing the increase of salt concentration. |
| | D) | Ocean salt concentrations are higher than rivers due to their nutrient rich sources and constant water loss through evaporation. |
| | E) | All of these statements regarding salt concentration effects are correct. |
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| 12 | |
Which of the following pH values is most likely to be considered acid rain? |
| | A) | 3.5 |
| | B) | 5.6 |
| | C) | 6.5 |
| | D) | 7.2 |
| | E) | 9.86 |
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| 13 | |
Arrange the following atmospheric cells in order from closest to the equator to farthest from the equator.
i: Ferrell cell
ii: Polar Cell
iii: Hadley Cell |
| | A) | i; ii; iii |
| | B) | ii; iii; i |
| | C) | iii; i; ii |
| | D) | i; iii; ii |
| | E) | iii; ii; i |
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| 14 | |
The rate of adiabatic cooling is approximately |
| | A) | 10°)C per 1000 meter elevation. |
| | B) | 1°C per 1000 meter elevation. |
| | C) | 0.1°C per 1000 meter elevation. |
| | D) | 0.01°C per 1000 meter elevation. |
| | E) | 0.001°C per 1000 meter elevation. |
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| 15 | |
True or False: Land warms more quickly during the day than water does because the specific heat capacity of land is lower than that of water. |
| | A) | True |
| | B) | False |
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| 16 | |
Which of the following terrestrial biomes has abundant rainfall, fog and no freezing in winter in addition to lush evergreen forests? |
| | A) | Tropical rain forest |
| | B) | Tropical deciduous forest |
| | C) | Temperate coniferous forest |
| | D) | Temperate rain forest |
| | E) | Temperate deciduous forest |
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| 17 | |
Which of the following characteristics would least be expected in a temperate deciduous forest? |
| | A) | Annual rainfall between 75 and 200 cm |
| | B) | Three to four tree species per square km |
| | C) | High soil nutrient levels |
| | D) | Abundant reptilian populations |
| | E) | Sub-freezing winter temperatures |
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| 18 | |
Which of the following biomes is likely to be encountered from base to top of the Rocky Mountains in North America? |
| | A) | Temperate forest |
| | B) | Taiga |
| | C) | Tundra |
| | D) | Taiga and tundra |
| | E) | Temperate forest, taiga, and tundra |
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| 19 | |
The open ocean is most accurately referred to as the |
| | A) | intertidal zone. |
| | B) | pelagic zone. |
| | C) | taiga. |
| | D) | tongass. |
| | E) | canopy. |
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| 20 | |
True or False: A lentic habitat consists of still waters, while a lotic habitat consists of running waters. |
| | A) | True |
| | B) | False |
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