1 .		Ecoregion maps are based on climatic classifications, as well as other environmental factors affecting ecosystems. Go to this map of U.S. ecoregions, and note the pattern shown on the "Domains" map. What is the primary climatic factor responsible for the line dividing the eastern and central United States? [Click on one or the other domains if you need more information.]
2 .		What do you think is the primary reason for the increased complexity in the pattern of Divisions and Provinces in the western United States?
3 .		This global vegetation map shows the dominant vegetation type for latitude/longitude "squares" 1/2 degree on a side. Based on surveys, tabulations, remote sensing information, and other vegetation maps, it depicts vegetation associations as they exist today, whether natural or modified by humans. Which of the following climate types does not stand out as well-defined forest areas?
4 .		Referring again to the map, which climate types have the largest area devoted to agriculture?
5 .		Temperate conifer forest is best associated with the ______ climate type.
6 .		Citrus production is probably best associated with the _____ climate type.
7 .		In South America and Africa, dry woods and steppe (orange on the map) are best associated with which climate type?
8 .		Examine this climate data for Salinas, California. What type of climate does Salinas have? [Data Source]
9 .		Notice the summer minimum in precipitation and the winter maximum. The summer minimum is due to the influence of the _____, while the winter maximum can be attributed to the _____.
10 .		This figure shows the climographs for three selected stations. Examine the third climograph which depicts the climate of Normanton, Australia. The precipitation maximum in December and January may be explained by
11 .		This figure shows climographs for three cities. Examine the climographs for Chicago, Illinois and Shanghai, China. The summer maximum in precipitation may best be explained by
Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.