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

Population is an important level of organization in ecology and the unit of microevolution.
What is an important level of organization in ecology and the unit of microevolution?

You call elements that contain only atoms of one type of element native elements.
What do you call elements that contain only atoms of one type of element?

Autoimmunity can develop with time, and its causes may be rooted in this molecular mimicry.
Autoimmunity can develop with time, and its causes may be rooted in this?