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 Input:
Question: If a dog is extremely unfit and unhealthy breeders will want it to have 
 Answer: less offspring

Ex Output:
Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.


Ex Input:
Question: Since Kim has more melanin than Jennifer, when they lay out in the sun Jennifer's skin is _____ than Kim's. 
 Answer: lighter

Ex Output:
However, the melanocytes of people with darker skin produce more melanin.


Ex Input:
Question: As less solar panels are made the price of them will 
 Answer: go up

Ex Output:

Solar power is expensive, but as demand increases technology improves and costs decrease.