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: Where are some of the greatest concentrations of species found? Answer: in the tropics
answer:
Some of the greatest concentrations of species are found in the tropics.


question:
Question: What molecule is used for most energy functions in organisms? Answer: atp or adenozine triphosphate
answer:
Atp or adenozine triphosphate is used for most energy functions in organisms.


question:
Question: What is the most common way to classify stars? Answer: by color
answer:

By color is the most common way to classify stars.