In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[EX Q]: Question: Herbivores are heterotrophs that eat only or mainly what? Answer: plants
[EX A]: Herbivores are heterotrophs that eat only or mainly plants.

[EX Q]: Question: What happens when forces of evolution work over a long period of time? Answer: macroevolution
[EX A]: Macroevolution happens when forces of evolution work over a long period of time.

[EX Q]: Question: Where does the nucleus store chromatin ? Answer: nucleoplasm
[EX A]:
The nucleus stores chromatin in the nucleoplasm.