These cancers represent the most common cancers in the united states. 1 lung, bone, prostate 2breast, pancreatic, stomach 3skin, breast, lung 4pancreatic, prostate, lung

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.