Answer:
DNA Replication
Step-by-step explanation:
Before any form of cell division (whether it is binary fission in bacteria, mitosis, or meiosis) can occur, everything within the cell needs to make a copy of itself so that when it divides, it will have all the necessary cellular components to survive.
The most important part of the cell that needs to replicate, is the DNA
DNA is the figurative blueprint of the cell, without DNA, the cell cannot function. If there is an environmental change, using the DNA, the cell can adapt to its surroundings.
In conclusion, the replication of DNA before cell division, is essential to survival.