Please answer this: Doctors studied two groups of patients. Group W which had people with sickle cell disease, and group A which had normal people in it. Which group had more individuals with aggregating hemoglobin?
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Answer: Group W

Please answer this: Two colleagues studied human evolution, Dan studied early humans, from around 200,000 years ago, while Bob studied human settlements from 10,000 years ago. Which student learned more about high birth rates?
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Answer: Bob

Please answer this: Mike is studying the predator prey relationship. He is specifically studying three species, species A, species B, and species C. Species A is a predator; species B is the prey; and species C is a plant species that species B lives on. Mike now needs to figure out how the predator prey relationship balance the ecosystem. If species A population increase, would species C population increase or decrease?
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Answer:
increase