instruction:
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.
question:
Question: Which characteristic is shared by all cells? Answer: They need energy.
answer:
All cells share the characteristic that they need energy.


question:
Question: What is the most abundant type of biological entity on the earth? Answer: viruses
answer:
Viruses are the most abundant type of biological entity on the earth.


question:
Question: What do birds do in mating season? Answer: pair up with the same bird
answer:

Birds pair up with the same bird in mating season.