| A | B |
|---|
| getting energy | eating |
| using energy | running |
| getting rid of wastes | releasing carbon dioxide |
| reproducing | baby birds |
| growing | child to adult |
| reacting to change | dog growing a thicker fur coat |
| cell | basic unit of a living organism |
| cell membrane | thin layer that makes up the outside of the cell and controls what enters and leaves it |
| nucleus | cell part that controls the cell's activities; the "brain" of the cell |
| cytoplasm | jellylike material that fills most of a cell |
| cell wall | a stiff outer layer that helps keep plant cells firm |
| chloroplast | green cell part in plant cells that traps and use light energy |
| plant cell | has 5 parts |
| animal cell | has 3 parts |
