In Figure 10

Multiple Choice

In Figure 10.14b,which of the following statements is accurate?

A) Between pH 5 to 7, the number of invertebrate taxa is positively associated with mean stream pH .
B) Between pH 5 to 7, the number of invertebrate taxa is negatively associated with mean stream pH.
C) Number of invertebrate taxa is not associated with mean stream pH.
D) Species richness is greatest at the lowest mean stream pH.