Shannon's Index and Simpson's Index Are Both Measurements of a Community's

Multiple Choice

Shannon's index and Simpson's index are both measurements of a community's level of diversity. What does it mean when, after calculating these two indices for a given community, the results show the Simpson's index = 1, while the Shannon's index = 0?

A) Something is in error with one of the calculations.
B) The community's diversity level is so high that the values are inconsistent.
C) The community has no diversity.
D) The community is in transition from low to high diversity