With humans making up such a small percentage of life on Earth, which of the following represents the rationale behind spending a disproportionate amount of scientific research studying humans?
A. Humans are interested in learning how their own bodies function.
B. Our role in the ecosystem needs to be understood in order to plan for our future.
C. The more that is discovered about humans, the more likely it is that disease can be combatted.
D. Humans are curious about their origins.
E. All of the above are reasons for spending a disproportionate amount of scientific research studying humans.
Answer: E
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