| A | B |
|---|
| tuber | a swollen underground stem |
| stamen | a flower part that makes pollen |
| pistil | a flower part that collects pollen |
| taproot | a plant's single main root that grows deep in the soil |
| transpiration | the giving off of water vapor by plants |
| carbon dioxide | a gas breathed out by animals |
| nutrient | a substance, such as a mineral, which all living things need in order to grow |
| pollination | transfer of pollen from a stamen to the pistil by wind or animals |
| fibrous roots | long roots that grow deep in the soil |
| photosynthesis | the process by which a plant makes its own food |
| spore | a tiny cell that ferns and fungi use to reproduce |
| germination | to sprout |
| dormancy | state of much lower activity |
