Since there are no answer choices, I am giving the answer that I think would best fill in the blank correctly. The best answer would be:
manipulating
Here's the facts: Asexual reproduction produces up to millions of organisms in a matter of hours. The organisms produced by asexual reproduction are essentially clones of their parent organism, genetically identical.
Answer: A. Asexual reproduction produces more organisms, but they are all genetically identical.
Hope this helps!