A general term for narrowing would be contracting. I assume that this is applicable to the rectum, as it is a muscular tissue, and muscles are able to expand (extend, rather), and contract.
Hope this helps. And I hope I'm the brainliest!
<span>The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell</span>
The answer should be B the DNA is damaged so new cells grow and create tumors etc.
Answer:
The need for resources will make the organisms competitive in their ecosystems.
