Why is it important for the dna to double before mitosis

It is impecable that DNA doubles itself before mitosis because you need the copied DNA to be able to gain more cells. If your DNA did not undergo mitosis then we would forever remain a baby, brain and all.

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !