| A | B |
|---|
| cell membrane | outer covering of the cell; It surrounds a cell. |
| selectively permeable | only allow certain things in or out |
| homeostasis | ability of living things to keep conditions inside its body the same even though the outside conditions change |
| molecules | smallest particles of a compound that has all the properties of that compound |
| osmosis | how water passes through the cell membrane. Water moves from a place of greater concentration to a place of lower concentration |
| concentration | % of substance, the amount of a specified substance in a unit amount of another substance; |
| protoplasm | all the living materials in a cell |
| diffusion | how food, O2 and other things enter and leave the cell. They move from a place where there are more of them to a place where there are fewer of of them. |
| independent variable | things that you are changing or manipulating. eg. how much you eat. |
| dependent variable | the result of the things being changed or manipulated by you; eg. your weight change after eating less. |
