Who proposed that there had been a single supercontinent on Earth which led to the idea of continental drift?
a. Edward Suess
b. Sir Francis Bacon
c. Alfred Wegener
d. The Laurasia
c
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In the science fiction film, When Worlds Collide, 100 individuals are selected to leave a doomed Earth in a spaceship to re-establish humanity elsewhere. This scenario illustrates
A) a founder effect. B) a mutation effect. C) a population funnel. D) a deleterious allele.
Which of the following would be an example of an r-selected species?
a. cheetahs b. elephants c. jellyfish d. primates
Which of the following was found to be the
main ozone destroying gas?
a. chlorofluorocarbons b. carbon dioxide c. methylmercury d. methane e. nitrogen
Gene conversion results from
A. discontinuous replication. B. photoreactivation. C. mismatch repair. D. SOS repair. E. excision repair.