A Scientist Named Dr

question 79

Multiple Choice

A scientist named Dr.Burkholder hypothesized that the dinoflagellate Pfiesteria was associated with the massive die-offs of fish in North Carolina rivers.Subsequent observations supported her hypothesis.Which of the following observations would support that hypothesis?

• 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 that Pfiesteria could kill laboratory fish.
• D) A virulent toxin was isolated from Pfiesteria cultures grown in the laboratory.

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