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

[EX Q]: Once a plant cell becomes specialized, divide can they no longer do.
[EX A]: Once a plant cell becomes specialized, what can they no longer do?

[EX Q]: Lichens are not a single organism, but rather an example of a mutualism.
[EX A]: Lichens are not a single organism, but rather an example of a what?

[EX Q]: The term cardiac output, calculated by multiplying heart contractions by stroke volume, means the volume of blood pumped by the heart in one minute.
[EX A]:
What term, calculated by multiplying heart contractions by stroke volume, means the volume of blood pumped by the heart in one minute?