| A | B |
| producers | organisms that make their own food |
| osmosis | movement of molecules through a permeable membrane |
| active transport | movement of molecules that requies energy |
| biodegradable | substance that is broken down in the environment by bacteria or fungi |
| lipids | capable of releasing more energy than carbohydrates |
| carbohydrates | sugar, starch, and cellulose |
| proteins | made up of amino acids |
| photosynthesis | use of light energy to make food |
| exocytosis | release of a substance from a small sac at the membrane |
| fermentation | breaksdown of glucose without the presence of oxygen |