The egg membrane
is semi permeable allowing water to pass through it.
Eggs are perfect as under the shell
is a semi permeable membrane.
Not exact matches
you can believe in a mystical
being who created all the matter and life in the universe, yet refuses to display definitive proof of its existence to us, or you can believe that the proper amount of protein, electrolytes, sugars, and RNA came together in a lipid layer (or some other
semi permeable membrane) at just the right time to create a cell that could reproduce itself and begin life.
For example if you split a beaker of water into two halves with a
semi permeable membrane and added salt to one side, water would move from the side of the beaker with no salt until the two concentrations of salt water
were the same.
In addition, the skin could
be seen as
semi permeable and allowing nourishment in and letting out toxins.