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

Input: Consider Input: During the early paleozoic, the amount of carbon dioxide in the atmosphere was much greater compared to today.

Output: During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?


Input: Consider Input: Ribosomes are the only organelles that prokaryotic cells have.

Output: What are the only organelles that prokaryotic cells have?


Input: Consider Input: A single-celled prokaryotic is a bacteria.


Output: What type of organism is a bacteria?