Scientist found that over a period of 200 years a mountain Pond was transformed into a meadow during that time several communities of organisms replaced by different communities which of these best explains why new communities were able to replace older communities

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!