The basis of the process of Natural selection is the random mutation: some organisms develop random mutations which increase their chance for survival and they survive more likely than other organisms and reproduce.
So the correct answer is:
A) Through random mutations in DNA, some pests developed a resistance to the pesticide.
The answer would be around 12 feet.
It contains a majority of the cells genetic material
You can't see either of them, and they're consistently moving.<span />
