Answer: Systolic blood pressure
Explanation:
Random changes in allele frequency in a population are usually called genetic drift. The reason why this is the answer is because it is a very specific word which is used to describe exactly that - random changes in allele frequency.
All the other cases; answers, here aren't correct and don't apply.
The correct answer is C) Wood burning. Hope this helps.
Asexual reproduction produces genetically similar or same offspring whereas sexual reproduction [produces genetically varied offspring.