TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Population is an important level of organization in ecology and the unit of microevolution.

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

PROBLEM: When an atom gains or loses an electron it becames a(n) ion.

SOLUTION: When an atom gains or loses an electron it becames an?

PROBLEM: Bradykinin do we call a peptide hormone composed of nine amino acids that lowers blood pressure.

SOLUTION:
What do we call a peptide hormone composed of nine amino acids that lowers blood pressure?