| A | B |
|---|
| short day | willn ot flower if there are too many hours of daylight |
| embryo | developing plant |
| tropism | plant's response to its environment |
| runner | stem that grows along the ground |
| seedling | a rapidly growing embryo |
| chlorophyl | chemical in plants that traps the suns energy |
| regeneration | ability to grow or replace missing parts |
| stomata | openings in leaves where carbon dioxide enters plant |
| transpiration | loss of water vapor through a leaf's stomata |
| geotropism | plants response to gravity |
| seedless | these plants can only be grown asexually |
| bulb | short, underground stem |
| auxin | hormone that causes phototropism |
| long day | grow when days are long |
| stimulus | causes a response from an organism |
| respiration | releasing energy from food |
| graft | may use the root system of one plant and the branches of another plant |
| phototropism | a plants response to light |
| propagation | new plants are grown from parts of roots, stems or leaves in vegatative _____________ |
| germination | sprouting of a seed |
| cotyledons | first leaves to emerge in a seeding |
| mutualism | relationship between two organisms that benefits both |
| sexual | plant reproduction that involves seeds |
