| A | B |
|---|
| photosynthesis | The process by which plants make food. |
| epidermis | The single layer of cells on the surface of a leaf |
| palisade layer | The layer of cells in a leaf where most photosynthesis occurs. |
| cellular respiration | The process by which plants release energy in food to carry on life processes. |
| tropism | A plants response to a stimulus. |
| phototropism | A plants response to light |
| gravitropism | A plants repose to gravity. |
| fertilization | The joining of a male reproductive cell with a female reproductive cell. |
| stamens | The parts of a flower that produce pollen. |
| pistil | The female part of a flower. |
| ovary | The portion of a flower, at the base of a pistil, that contains the eggs. |
| embryo | The tiny plant inside a seed. |
| cotyledons | Structures inside a seed that store food. |
| germinate | Sprout |
| seedling | An embryo plant that has emerged from its seed and that is using energy from its cotydons to grow. |
| vegatative propagation | The ability of some plants to reproduce without seeds. |
| grafting | A form of artificial reproduction that involves attaching branches of another plant. |
| tissue culture | Process that grows plants artificially in laboratories. |
