| A | B |
|---|
| Diffusion | the movement of a substance from an area of high concentration to low concentration |
| Osmosis | the diffusion of water across the cell membrane |
| Permeable Membrane | when substances are allowed to pass through a membrane |
| Selectively Permeable Membrane | when some things may come in but other things can't |
| Impermeable Membrane | things are not allowed to pass through the membrane |
| Active Transport | requires energy for transportation |
| Passive Transport | when things flow on and out of the cell WITH OUT energy |
| where is there more water? inside cell or outside of cell? | on outside of cell |
