Living cells of both plants and animals are enclosed by a semipermeable membrane called the cell membrane which regulates the flow of liquids and of dissolved solids and gases. Many nutrients and essential molecules that one needs to live are dissolved in water. The Process Of Osmosis And Its Importance To Living Organisms A Level Science Marked By Teachers Com Movement of carbon dioxide through the stomata of the leaves during respiration. . Therefore the process of osmosis is a vital. In all living organisms nutrients and minerals make their way to the cells because of osmosis. Importance of diffusion to living organisms Diffusion is basically the movement of chemical species ions or molecules under the influence of concentration difference The species will move from the high concentration area to the low concentration area till the concentration is consistent in the whole system Diffusion mostly occurs in gases and liquids as these can ...