In a single-cell creatures. Increasing the permeability of the plasma, it is growing. When the cells of the organism as cell division in the first episode of new cells are smaller than the original cell.
In a single-celled creatures. The addition of protoplasm was classified. This growth When the cells of living cells in the first cell to be smaller than the original cell.
In a creature that is a single cell. The addition of protoplasm is considered as a growth. When the cells of the organism cells divide in the first place, new cells that are smaller than the original cells.