Examine Figure 18.5. Which of the following species would you characterize as restricted to the ecotone between serpentine and nonserpentine soils in southwestern Oregon?
A) black oak
B) hawkweed
C) ragwort
D) fireweed
Ans: C) ragwort
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During the termite class experiment at the end of lab last week, why was it important to test only one termite at a time?
A. Testing one termite at a time makes it easier for the termite to find and orient to the line without being distracted by other termites. B. It is easier to observe termite orientation behavior if there is only one on the paper at a time C. To ensure that the line orientating behavior was the result of the line itself, not the other termites on the paper D. Testing one termite at a time allows the observer to better quantify what "orienting" to the line really means in the experiment