OLD MONO-LINEAR VIEWPOINT. “Essentially, every prokaryote is its own lineage, either dying, budding off, or splitting into daughter cells that are clones of the parent, in the process of asexual reproduction. … Daughter cells are clones, with the same DNA as the parent cell, so they are already well adapted to the microenvironment.”
https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8