They start as single cell orginisms then they evolve from there.
hope that helps
<span>Cells are abnormal and moderately differentiated. I believe that's the correct answer.</span>
DNA<span> is a double helix, while RNA is a single helix. Both have sets of nucleotides that contain genetic information. </span>DNA<span> is a molecule that contains the instructions an organism needs to develop, live and reproduce.</span>
