| A | B |
| radicle | root |
| cotyledons | seed leaves |
| annuals | have only one blooming season |
| biennals | take 2 years to complete their life cycle |
| perennials | plants that grow from year to year |
| photo | light |
| synthesis | to put something together |
| water | collected through the plants roots |
| carbon dioxide | found in the air; taken in by plants |
| stomata | tiny doors on leaves that take in carbon dioxide |
| chloroplasts | sunlight is collected here |
| chlorophyll | gives plants their green color |
| glucose | a form of sugar; the plants food |
| oxygen | given off during the chemical reaction of photosynthesis |
| photosynthesis | the process by which green plants make their own food |
| tropism | growing or bending in response to something |
| phototropism | a plant grows or bends in response to light |
| geotropism | a plant grows or bends in response to gravity |