Which factor is responsible for reductions in population size?

a. immigration
b. death


c. birth
d. reproduction
e. dispersion


ANSWER: b

Biology & Microbiology

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Indicate whether this statement is TRUE or FALSE.

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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:

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Which of the following is not a floral structure?

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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

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