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5A ch4 Vocabulary
| Term | Definition |
|---|---|
| photosynthesis | the process by which plants make food |
| cellular respiration | the process by which cells release the energy in food to carry on life processes |
| palisade layer | the layer of cells in a leaf where most photosynthesis occurs |
| epidermis | the outer layers of cells of a leaf |
| embryo | the tiny plant inside a seed |
| tropism | a plant's response to a stimulus |
| phototropism | a plant's response to light |
| gravitropism | a plant's response to gravity |
| fertilization | the joining of a male reproductive cell with a female reproductive cell |
| stamen | male part |
| pistil | female part |
| ovary | the portion of a flower, at the base of the pistil, that contains the eggs |
| cotyledons | the structures where food is stored in a seed |
| germinate | the sprouting of a seed |
| seedling | the stage when a germinated seed begins growing and making its own food |
| grafting | a form of artificial reproduction that can produce desirable characteristics in woody plants |
| tissue culture | process that grows plants artificially |
| vegetative propagation | a form of asexual reproduction; without seeds |