| A | B |
|---|
| Oxygen | A part of the air that most plants and animals need in order to live |
| Epidermis | The protective layer of a leaf that helps keep water in |
| Kingdom | Largest group into which an organism can be classified |
| Reproduciton | The process by which organisms make offspring |
| Cell | The smallest unit of living matter |
| Respiration | Cells use sugars to make energy in this process |
| Seed | An undeveloped plant that carries food in a protective covering |
| Spore | Plants that don't have seeds reproduce with this |
| Organisms | Living things that carry out the five basic life functions |
| Germination | When a seed sprouts into a new plant |
| Stomata | The tiny holes on the underside of a lear |
| Transpiration | When water exits from a leaf |
| Species | Smallest group in a kingdom |
| Genus and species | Scientist use this to name organisms |
| Microscope | Scientists use this to see one-celled organisms |
