Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Input: Consider Input: Population is an important level of organization in ecology and the unit of microevolution.

Output: What is an important level of organization in ecology and the unit of microevolution?


Input: Consider Input: An object attached to a spring sliding on a frictionless surface is an uncomplicated type of simple harmonic oscillator.

Output: An object attached to a spring sliding on a frictionless surface is an uncomplicated type of what device?


Input: Consider Input: Community interactions are important factors in natural selection.
Output: Community interactions are important factors in what?