[Q]: Dan is a geneticist and studied two villages from 2,000 years ago. Village A displayed traces of a large population that grew larger over the years, while village B had a small and declining population and was more isolated geographically. Which village didn't experience inbreeding depression?
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[A]: Village A

[Q]: David is an environmental scientist. Last summer he visited the tropical forest in Brazil. He labeled that part of his study as forest A. To understand the differences between forests he then visited the temperate forest in Germany. He labeled that part of his study as forest B. He found significant differences in these two types of forests. Which forest would produce less carbon per square meter, forest A or forest B?
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[A]: forest B

[Q]: Two students studied for the biology exam. Ken studied about global warming, while Hank studied about Earth's oceans. Which student learned less about the increasing use of oil?
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[A]: Hank

[Q]: Keith is a biotech scientist. He had developed a GMO crop that he labeled as crop A. To see how his GMO crop compare with another crop he selected crop B. Crop B was a non-GMO crop. Keith needed to find the pros and cons of both crops. Would crop B more likely or less likely be virus resistant than crop A?
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[A]:
less likely