Biogeography of the Global Garden
TA Name ________________
Exam 1—Spring 2010—20 points
Lab Section ______________
Part I: Multiple Choice—Select the
answer and write the letter on the line
(one point each)
An “area volume” map may be used to portray __________.
the distribution of a species
how the density of an organism decreases over space from a source region
all of the above
__A___ A point (dot) map with graduated (different sized) circles is the most appropriate map type
for portrayal of organism ____________.
migration rates and paths
__B___ Sagebrush (
), a plant that can tolerate droughty, unfertile soils in the
intermontane West of the United States, is an example of which of the “ways to characterize biota”
that we discussed in class?
Levels of diversity
Adaptations to special sites
Differences in rates of function
__D___ According to the global fossil (paleontological) record discussed in class and shown in the
textbook in Figure 1.3, which of the following statements is
The total number of families on Earth is less today than 600 million years ago.
The fossil record shows that continental (land) organisms developed earlier than marine
The rate of origin (evolution) of new families of organisms was constant over 600
All of the above
__C___ The ____________ model of vegetation change assumes that many factors (including
chance, characteristics of certain species, availability of seeds) influence what plant species will
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