Term
| Why are many deserts located on the backside of mountains? |
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Definition
| Moist air masses are forced to rise over mountains and lose their moisture in the process resulting in very little moisture availability for the other side of the mountain. |
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Term
| Resources often limit populations. When resources are used by more than one species, the initial result is: |
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Definition
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Term
| The intensity of competition between two species increases as: |
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Definition
| the similarity of their requirements and life styles increases. |
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Term
| In what way(s) does the phosphorus cycle significantly differ from the nitrogen cycle? |
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Definition
| Unlike nitrogen, the phosphorus cycle lacks a significant atmospheric component. |
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Term
| Which of the following biomes receives the lowest average yearly precipitation? |
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Definition
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Term
| Small fish often follow large turtles in the open ocean, taking advantage of the turtle as a place to hide. This interaction would best be classified as: |
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Definition
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Term
| Which of the following is an example of an abiotic factor? |
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Definition
| mean annual rainfall in an ecosystem |
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Term
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Definition
| All of the above are correct. |
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Term
| The phenomenon in which species that live together in the same environment tend to diverge in those characters that overlap is known as: |
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Definition
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Term
| As a result of competition: |
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Definition
| the reproductive success of interacting individuals may be reduced. |
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Term
| In the interaction of two types of organisms in a habitat, one organism benefits from its interaction from the other but the other organism suffers. What is the name for this interaction? |
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Definition
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Term
| The term biota refers to: |
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Definition
| all living species of all kinds. |
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Term
| Without ocean currents such as the Gulf Stream, the climate of the UK would: |
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Definition
| be similar to that of Scandinavia. |
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Term
| When the sun is low in the sky, the amount of solar radiation received at the spot where the sun is observed: |
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Definition
| is lower than when the sun is high in the sky because the same amount of solar radiation is being spread over a larger area. |
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Term
| Wind circulation patterns are driven by: |
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Definition
| the uneven heating of earth's surface. |
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Term
| Which of the following nutrient cycles has the smallest atmospheric component? |
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Definition
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Term
| Most of the deserts of the world occur: |
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Definition
| at 30 degrees North and South latitude. |
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Term
| When two species battle for resources until one is driven locally extinct, the process is called: |
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Definition
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Term
| _____ and _____ are the major factors that determine climate. |
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Definition
| Temperature; precipitation |
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Term
| “Ecological succession” refers to: |
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Definition
| a series of predictable changes in the composition or structure of an ecological community. |
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