Answer :
Final answer:
In a dark environment, cells better adapted to darkness reproduce more, showcasing natural selection's role in adaptation.
Explanation:
The cells that were better adapted to growing in the dark reproduced more. This phenomenon is an example of natural selection, where the traits that are advantageous in a particular environment are favored and passed down to future generations. Over time, the population shifts towards individuals with characteristics that enhance survival and reproduction in the dark.