In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[EX Q]: Question: Two species with very similar DNA are probably _____ related. 
 Answer: closely
[EX A]: The more similar the DNA molecules of different species are, the closer the relationship is likely to be.

[EX Q]: Question: A _____ in the population cold lead to less food availability. 
 Answer: increase
[EX A]: As the population increases, the food supply, or the supply of another necessary resource, may decrease.

[EX Q]: Question: Johnny was looking at the layers of rock at the bottom of the canyon. He observed that the younger layers are 
 Answer: Closer
[EX A]:
Older layers are deeper in the Earth, younger layers are closer to the surface.