Problem: Given the question: Nate and Andy were two zoologists. They have been studying the characteristics of nocturnal and diurnal animals. Andy studied nocturnal animals, while Nate studied diurnal animals. Which zoologist learned more about crypsis?
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The answer is:
Andy

Problem: Given the question: Bob is looking at a map with Mercator projection to help him with his geography class. He noticed that Ecuador is within fifteen degrees north or south of the equator, but Norway is farther north of the equator. Bob starts to see how a country's location on a map affects how they look. If they were equal in size on a globe, which country would look smaller on a map, Equador or Norway?
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The answer is:
Equador

Problem: Given the question: David wants to categorize animals according to the sound waves they can hear. Eventually, he was able to categorize them in three different groups, group A, group B, and group C. He placed the animals that can only hear ifrasound in group A. Then he placed the animals that are only able to hear the same frequency of sound waves as humans do in group B. The last group of animals were able to hear only ultrasound. He placed them in group C. Which group would be able to hear the lowest frequency, group A, group B, or group C?
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The answer is:
group A