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

Ex Input:
You call a group of organisms of the same species that live in the same area a(n) population.

Ex Output:
What do you call a group of organisms of the same species that live in the same area?


Ex Input:
Plant nutrition is the study of the chemical elements necessary for plant growth.

Ex Output:
What is the study of the chemical elements necessary for plant growth called?


Ex Input:
Single-celled organisms are prokaryotes.

Ex Output:
What kind of organisms are prokaryotes?