The distribution of major biomes is controlled mainly by ____
a. ocean currents
b. climate
c. human manipulation
d. longitude
e. latitude
ANSWER: b
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A type of isolating mechanism that leads to reproductive isolation after a hybrid zygote has formed is called a _____________ isolating mechanism.
A. hybridization B. postzygotic C. prezygotic D. adaptive E. differential
In a rapidly multiplying bacterial population, cell numbers increase
A. arithmetically. B. logarithmically. C. linearly. D. indirectly.
Which of the following is most toxic?
a. alcohol dehydrogenase b. ethanol c. acetaldehyde d. acetate e. carbon dioxide
Which diagram correctly depicts the orientation of the lagging and leading strands on the parentals?
a. The bottom b. The top c. Neither is fully accurate. d. Either would be accurate dependent on the organism being studied.