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Question
The attine ant is entirely dependent on multiple microbial species for its source of food. What microbial species are involved and what is their role in this multi-partner symbiosis?Answer
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Which of the following statements about chlamydial infections is TRUE?
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The Spanish flu of 1918 was caused by an ________ influenza virus.
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B) prevalence / mortality
C) mortality / morbidity
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Cholera is an example of a pandemic disease that
A) has multiple wild animal reservoirs and is thus difficult to eradicate.
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C) is spread through direct contact and has only a human reservoir.
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Influenza pandemics occur cyclically because
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C) the vector is seasonal.
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B) can be virtually any pathogenic bacterium or virus.
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Clonal anergy is a state of
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C) four
D) six