Standardized Test Prep

Multiple Choice

1. The factor that generally has the greatest effect on determining a region's climate is its

   1. longitude.

   2. abundant plant species.

   3. distance from the equator.

   4. closeness to a river.

2. All of the following are abiotic factors that affect global climate EXCEPT

   1. latitude.

   2. longitude.

   3. solar energy.

   4. ocean currents.

3. The way an organism makes its living, including its interactions with biotic and abiotic factors of its environment, is called the organism's

   1. habitat.

   2. niche.

   3. lifestyle.

   4. biome.

4. If a newly introduced species fills a niche that is normally occupied by a native species, the two species compete. One of the species may die out as a result of

   1. competitive exclusion.

   2. predation.

   3. commensalism.

   4. mutualism.

5. Photosynthetic algae are most likely to be found in

   1. the open-ocean benthic zone.

   2. the aphotic zone.

   3. the photic zone.

   4. ocean trenches.

6. The water in an estuary is

   1. salt water only.

   2. poor in nutrients.

   3. fresh water only.

   4. a mixture of fresh water and salt water.

7. In which biome do organisms have the greatest tolerance to dry conditions?

   1. tundra

   2. desert

   3. tropical savanna

   4. boreal forest

Questions 8–9

Month-by-month climate data for the city of Lillehammer, Norway, is shown in the table below.

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8. Which type of graph would be best suited to showing the precipitation data from the table?

   1. bar graph

   2. pictograph

   3. pie chart

   4. scatter plot

9. For a given set of data, the range is the difference between highest and lowest points. The average annual temperature range, in °C, for Lillehammer is approximately

   1. −8.

   2. 8.5.

   3. 16.5.

   4. 24.5.

Open-Ended Response

10. Why are lichens especially well adapted to play the role of pioneer organisms in an ecological succession?

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