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2004 Biology Assessment
Biology Assessment

 Biology Assessment  >  Item 3 (of 53)
Item: Item Analysis:

The graph below shows the relationship between annual rainfall and plant tissue growth rates in an ecosystem.

Which of these statements describes the trend shown by the data in the graph?
A     As rainfall increased, the amount of plant material decreased.
B     The amount of rainfall decreased as the amount of plant material increased.
C     As rainfall increased, the amount of plant material increased.
D     Rainfall had no effect on the amount of plant material.
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