| A | B |
|---|
| unicellular | describes an organism with one cell |
| stimulus | a change that affects the activity of an organism |
| sexual reproduction | reproduction in which cells from two parents unite |
| multicellular | describes an organism with more than one cell |
| heredity | the passing of traits from one generation to the next |
| asexual reproduction | reproduction in which one parent produces identical offspring to itself |
| metabolism | the total of all of the chemical activities that the organism performs |
| cell | the smallest unit that can perform all life processes. All organisms have them |
| homeostasis | the maintenance of a stable internal environment |
| DNA | genetic material for the cell |
| cytoplasm | jelly-like fluid that provides instructions for the cell |
| membrane | a covering for a cell that protects the cell's internal environment. |
