Two medical school students named Dan and Bob learned about the human immune system. Dan studied more about the subject, and became very interested to pursue it more in the future. Which student learned that the infected skin area may become painful?
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Answer: Dan

Austria had two distinct climactic regions. The eastern region was exposed to a wet climate and had thriving vegetation, while the western region was exposed to drought. Which region had fewer plants with an ability to come up with a sort of strategy to minimize water loss?
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Answer: eastern

Two students read about reproduction for biology class. Vic read more about reptile reproduction, while Fox read more about fish reproduction. Which student learned more about male fish releasing their gametes into the surrounding water?
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Answer:
Fox