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.

Q: Question: Dana washes her hands a lot, so her bacteria has mutated to help to resist antibiotics. As that bacteria decreases in numbers, the mutation becomes
Answer: rare

A: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common.
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Q: Question: If Milo is measuring the seafloor and he notices the level of spreading has increased, what will happen to the sea level?
Answer: it will rise

A: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.
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Q: Question: If Milo is part of a larger population then Jerry is, which person's population will experience greater drifting of allele frequencies?
Answer: Jerry

A:
The smaller a population is, the more allele frequencies may drift.
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