The Phytoplankton <span>support nutrients in water and from the base of many aquatic ecosystems.</span>
Answer:
I believe your answer is fertilization.
Water diffusion is called osmosis. Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
