Dr Burkholder Hypothesized That Pfiesteria Was Associated with the Massive

Multiple Choice

Dr. Burkholder hypothesized that Pfiesteria was associated with the massive die-offs of estuarine fish. Her hypothesis was supported when

A) Pfiesteria was shown to be capable of living within the climatic ranges of North Carolina.
B) a predicted increase in Pfiesteria populations coincided with a fish die-off.
C) new observations revealed Pfiesteria could kill laboratory fish.
D) a virulent toxin was isolated from Pfiesteria cultures grown in the laboratory.