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

[EX Q]: Temperature and ph level are important in the activity of an enzyme.
[EX A]: Temperature and what other environmental factor are important in the activity of an enzyme?

[EX Q]: Constant random motion trait of particles causes even cold objects to have some thermal energy.
[EX A]: Which trait of particles causes even cold objects to have some thermal energy?

[EX Q]: You call a group of organisms of the same species that live in the same area a(n) population.
[EX A]:
What do you call a group of organisms of the same species that live in the same area?