the cell cycle in figure 1 takes two hours in total the cell growth stage takes 45 mins calculate the time taken for mitosis

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.

Gases enter the atmosphere and trap the sun's heat warning the earth.

  like australopithecus afarensis; probably the direct ancestor of this group. africa: 5.8 to 4.4 million years ago.