Brad studied ancient human settlements from 100,000 years ago. His colleague Phil studied human settlement from 8-10,000 years ago. They were both fascinated by their findings. Which colleague did not study that birth rates went up among humans?
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Answer: Brad

Ben and Andy studied minerals and micro-nutrients. Ben studied more about magnesium, zinc and molybdenum, while his buddy Andy studied about sodium and potassium. Which person studied more about Energy in ATP ?
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Answer: Andy

Wyatt is examining 2 microscopic organisms. He notices that when organism A reproduces two of them are always present and initially join with each other. When organism B reproduces only one is present and the offspring is identical to the parent. Which organism likely reproduces sexually, organism A or B?
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Answer:
A