Water cycle because water or a chemical element is continuously recycled in an ecosystem which is biogeochemical
Water molecules ,some ions ,non polar compounds and glucose can pass through a cell membrane
You can recognize the process of pinocytosis when THE CELL IS ENGULFING EXTRACELLULAR FLUID.
Pinocytosis is one of the forms of endocytosis; it involves the movement of large particle into the cell by an in-folding of the plasma membrane. It is an active form of transport used to move materials into the cells.