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.

Question: If a dog is extremely unfit and unhealthy breeders will want it to have
Answer: less offspring
Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.

Question: Dean wants his solution to be as acidic as possible, so his concentration of hydrogen ions will be
Answer: higher
With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.

Question: Donald is comparing types of magma, and notices that some samples have darker minerals than other samples. The samples that are lighter likely have
Answer: more silica
Magmas that produce lighter colored minerals are higher in silica.