TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Constant random motion trait of particles causes even cold objects to have some thermal energy.

SOLUTION: Which trait of particles causes even cold objects to have some thermal energy?

PROBLEM: Competive exclusion princple explains why two different species cannot occupy the same niche in the same place for very long.

SOLUTION: What explains why two different species cannot occupy the same niche in the same place for very long?

PROBLEM: Nucleic acids are found in all living cells and viruses.

SOLUTION:
Nucleic acids are found in all living cells and also what?