It is bacteria just took the test
Because as natural selection occurs and species mate and create offspring this leads to a change in DNA which can lead to new species or evolutionists versions of that species
Mitosis is nuclear division. During Mitosis, chromosomes that have already been duplicated, attach to spindle fibers that pull a copy of each chromosome to the opposite side of the cell.
Pretty much creating 2 daughter nuclei
Answer: Reproduction. One must reproduce in order to continue the generational line.