Quinn is a six-month-old baby girl who was born two months preterm. She now weighs 13 pounds. Using the Birth to 24 Months: Girls Length-for-age and Weight-for-age percentiles growth chart, determine Quinn's weight-for-age percentile.

It allows water to resist freezing and thawing cycle.

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.