When ovulating, females tend to prefer:
a) the scent of less attractive men
b) the scent of dominant men
c) wealth over talent
d) all of the above
Answer: b) the scent of dominant men
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The host range of a virus depends on the presence of host receptor molecules
Indicate whether this statement is true or false.
What is the measure of members of a single species in a habitat against all organisms within the same area?
a. community diversity b. absolute species abundance c. relative species abundance d. community richness
Which of the following methods is used to preserve food by slowing the metabolic processes of foodborne microbes?
A) lyophilization B) nonionizing radiation C) freezing D) ionizing radiation E) pasteurization
What category of germicide has been used to create "self-disinfecting" surfaces?
A. Phenolics B. Hydrogen peroxide C. Ethylene oxide D. Heavy metals E. Alcohols