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.
Correct Answer:
Verified
Correct Answer:
Verified
Q70: When you call a telephone number,you are<br>A)
Q71: A group of interbreeding organisms whose offspring
Q72: Groups of different species that live and
Q73: Viruses cannot reproduce on their own; they
Q74: Modern life often masks the struggles that
Q75: Microbiologists quickly responded to the paper by
Q76: When experimental data verify a prediction,the hypothesis
Q77: To survive,living organisms must be able to
Q78: The basic unit of life is the<br>A)
Q80: DNA is an example of the molecular