Which factor is responsible for reductions in population size?
a. immigration
b. death
c. birth
d. reproduction
e. dispersion
ANSWER: b
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High concentrations of nucleic acids in the diet may lead to high levels of uric acid in the blood
Indicate whether this statement is TRUE or FALSE.
The earth has gone through a series of mass extinctions caused by a variety of different factors. The current mass extinction is believed to be the result of:
a) global warming. b) loss of the ozone layer. c) reduced levels of speciation. d) normal fluctuations in species diversity. e) human activities.
Which of the following is not a floral structure?
A. calyx B. corolla C. endosperm D. stigma E. style
Which of the following results when ethanol is allowed to oxidize to acetic acid following the fermentation of fruit, grain, or vegetables?
A. beer B. wine C. champagne D. vinegar E. malt