Question: Two brothers worked out a few times per week at the same gym. Tim got athlete's food from the gym, but Dan didn't. Which brother didn't pick up the second most common skin disease in the US?
Answer: Dan

Question: The students studied two ponds. Class A studied a pond filled with protozoa, while class B studied a pond with almost no protozoa. Which class observed fewer predator protozoa?
Answer: class B

Question: Italy had two distinct regions. Northern region where the animals are exposed to a lot of abiotic stress, and the southern region, where the animals experience almost no abiotic stress. Which region had a lower biodiversity?
Answer:
Northern