| A | B |
|---|
| cotyledons | first leaves to emerge in seedling |
| tropism | a plants response to its environment |
| vegetative propagation | plants grown from cuttings of roots, stems or leaves |
| regeneration | abiltiy to grow or replace missing parts |
| germination | sprouting of a seed |
| embryo | a developing plant |
| seedling | a rapidly growing embryo |
| stimulus | a plant response from an organism |
| geotropism | a plant response to gravity |
| short-day plants | will not flower if too many hours of day light |
| long-day plants | grow during early summer when days are long |
| bulb | a short underground stem |
| runner | a stem that grows along the ground |
| grafting | a plant that may use the root system of one plant and branches of another |
| sexual | pllant reproduction that involes a seed |
| seedless plants | growth through asexual reproduction |
