Which infective agent and disease are INCORRECTLY paired?
a. chancroid – Haemophilus ducreyi
b. genital warts – Mycoplasma genitalium
c. syphilis – Treponema pallidum
d. trichomoniasis – Trichomonas vaginalis
Answer: B
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Which trait is least consistent with evolution by sexual selection?
a. males are larger than females b. females actively choose superior males c. males often bear showy or defensive structures d. males gather and defend harems of females e. female queen bees are responsible for reproducing
A type of symbiosis in which one member of the relationship benefits with no effect on the other is
A. parasitism. B. mutualism. C. commensalism. D. predation. E. intraspecific competition.
Aerobic respiration is classified as:
a. a synthesis reaction. b. a hydrolysis reaction. c. a redox process. d. a polymerization reaction. e. an anabolic process
The African country of Nigeria had a 4.55% population growth rate from 2005 to 2010, the highest in the world. Which of the following statements is consistent with this fact?
A) Nigeria's age structure likely looks like a pyramid with a broad base. B) Nigerian birth rates are likely to be slightly lower than death rates. C) Nigeria is likely in the first phase of the demographic transition. D) Nigerian emigration rates are likely higher than immigration rates.