In the Amazon Forest, Slight Changes in Soil Properties Tend

In the Amazon forest, slight changes in soil properties tend to be correlated with

A) similarly slight differences in plant communities.
B) no detectable differences in plant communities.
C) dramatic differences in plant communities.
D) dramatic differences in plant communities only if the soil property in question is moisture.
E) dramatic differences in plant communities only if the soil property in question is bedrock type.