David is a biologist. He was in the African savanna to study different species. Especially, he was interested in two species, rhinos and impalas. He noticed that in response to constant human encroachment of wildlife habitats, impalas have acquired some behaviors that help them and their young. Rhinos also have acquired some behaviors in response to the same threat. But their behaviors mostly failed them in that aspect. Would impalas have lower or higher chance of passing their genes on to the next generation than rhinos?
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Answer: higher

Two sexually active men are currently at the doctor getting checked for sexually transmitted diseases. Before performing the actual tests, the doctor takes a brief physical examination of the men. The doctor notices that Jake's heart is beating irregularly and his arm appears to have a rash on it. While examining Scully, the doctor takes note of how yellow Scully's eyes are, and Scully also reports to the doctor that he has been throwing up lately. After the physical, the doctor has the men both pee into a cup so that he can run a standard STD test for them. Does Jake have a higher or lower chance than Scully of contracting liver cancer?
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Answer: lower

Dan studied genetic engineering. He was applying his knowledge of genetic engineering to develop better crops. Recently, he had successfully developed a crop, crop A, that was herbicide tolerant. To determine the versatility of the crop he compared it with another crop that was not tolerant of herbicides, crop B. The results of his research would allow his company to market the new crop. Which crop would be more beneficial to farmers, crop A or crop B?
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Answer:
crop A