All of the following are evidence of continental drift except:
a. distribution of earthquakes.
b. age of rocks from the sea floor.
c. reefs.
d. analysis of core samples.
e. paleomagnetism.
C
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True or false: In general, males and females of the same species can produce fertile offspring
A. true B. false
Which of the following proteins play a role in the regulation of RecA?
A. RecBCD B. RecFOR C. RecX D. DinI E. All of the proteins given regulate RecA.
C. hyperpolarized, decreases Upon emerging from a darkened area like a movie theater during daylight, our eyes are initially extremely sensitive to light. This is because
A. our pupils are wide open and take some time to close. B. the proportion of our retinal in the cis- conformation is high. C. the proportion of our retinal in the trans- conformation is high. D. our rods and cones are already highly hyperpolarized from the previous dark conditions. E. All of the answers are correct.
Practices such ranchers allowing their livestock to overgraze grasslands contribute to ________________ of the habitat.
A. flooding B. deforestation C. desertification D. bioaccumulation E. carbon dioxide accumulation