In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

[Q]: Sentence: The amount of energy required to begin a chemical reaction is known as the activation energy. Question: What is the amount of energy required to begin a chemical reaction known as?
[A]: activation energy


[Q]: Sentence: Individuals do populations gain through births and immigration. Question: What do populations gain through births and immigration?
[A]: individuals


[Q]: Sentence: Along with other organelles, all eukaryotic cells possess nucleus. Question: Along with other organelles, all eukaryotic cells possess what structure?
[A]:
nucleus