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

Biology & Microbiology

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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.

Biology & Microbiology

Which of the following would be an example of an r-selected species?

a. cheetahs b. elephants c. jellyfish d. primates

Biology & Microbiology

Which of the following was found to be the

main ozone destroying gas?

a. chlorofluorocarbons b. carbon dioxide c. methylmercury d. methane e. nitrogen

Biology & Microbiology

Gene conversion results from

A. discontinuous replication. B. photoreactivation. C. mismatch repair. D. SOS repair. E. excision repair.

Biology & Microbiology