| A | B |
|---|
| photosynthesis | the process by which plants use light to make food |
| epidermis | the outer surface of a leaf |
| palisade layer | the layer of cells below the outer surface that contains many chloroplasts |
| cellular respiration | the process by which plants release the energy in food to carry on life processes |
| tropism | a plant's response to stimuli |
| phototropism | a plant's response to light |
| gravitropism | a plant's response to gravity |
| fertilization | the joining of male and female reproductive cells |
| stamens | the pollen-producing male parts of plants |
| pistil | the female part of a flower |
| ovary | the bottom part of the pistil which contains the eggs inside ovules |
| embryo | the tiny part of a plant that grows into a mature plant |
| cotyledons | food storage structure in seeds |
| germinate | sprout |
| seedling | the stage when a germinated seed begins growing and making its own food |
| vegetative propagation | a type of reproduction that occurs without seeds |
| grafting | a form of artificial reproduction that produces desirable characteristics |
| tissue culture | a type of artificial reproduction that uses plant chemicals to develop new plants |
