AP BIOLOGY

Detailed explanation-1: -1: Surface Area to Volume Ratios: Notice that as a cell increases in size, its surface area-to-volume ratio decreases. When there is insufficient surface area to support a cell’s increasing volume, a cell will either divide or die.

Detailed explanation-2: -When there is more volume and less surface area, diffusion takes longer and is less effective. This is because there is a greater area that needs to receive the substance being diffused, but less area for that substance to actually enter the cell. this is actually why cells divide.

Detailed explanation-3: -The ratio is the surface area divided by the volume. This indicates how much surface area is available compared to how big the cell is. If the surface area to volume ratio is small, the cell is very big. If the ratio is big, the surface area is greater than the volume, and the cell is small.