Which colour are hummingbirds attracted to?
a. yellow
b. blue
c. red
d. green
Ans: c. red
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Clements argued that the final stage of succession was always
A. a climax community. B. a cohort. C. a sere. D. a secondary sere. E. a cohort and a sere.
In meiosis, centromeres split in
A. telophase I. B. anaphase I. C. telophase II. D. anaphase II.
Chagas disease is a human parasitic disease, spread by the reduviid bug. This disease results in thousands of deaths yearly. Thinking about what you know about how this disease is spread, do you feel we are likely to start seeing cases of Chagas disease in the Northern United States?
A) Yes, because of the increased travel done by humans, this disease could be spread B) No, because of the geographical limitation of the vector
Robert Koch was involved in research on all of the following topics EXCEPT
A) the cause of anthrax. B) the cause of fermentation. C) development of a method to determine the cause of an infectious disease. D) the cause of tuberculosis. E) techniques for isolating microbes in the laboratory.