Using the geological time scale, scientists can determine the absolute age of rocks and fossils
a. True
b. False
ANSWER: False
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The study of the occurrence, distribution, and determinants of health and disease in a population is the field of
A) microbiology. B) immunology. C) epidemiology. D) virology.
The ability of a cell to pick up DNA from it's environment is known as ________
a. binary fission b. transformation c. horizontal gene transfer d. conjugation e. mitosis
If fertilization does not occur, what happens to the levels of estrogen and progesterone?
a. Both estrogen and progesterone increase. b. Estrogen increases, while progesterone decreases. c. Both estrogen and progesterone decrease. d. Progesterone increases, while estrogen decreases.
The statement "The virulence of many pathogens in humans may not be a target of selection itself, but rather an accidental by-product of selection on other traits" describes ________
A) the coincidental evolution hypothesis B) the shortsighted evolution hypothesis C) the trade-off hypothesis D) the energy-balance hypothesis