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8.3 Science Vocab.
| Term | Definition |
|---|---|
| phloem | the vascular tissue through which food moves |
| xylem | water and minerals that travel in the vascular tissue |
| pollen | tiny structure that contain the cells that will later become sperm cells |
| seed | a structure that contains a young plant inside a protective covering |
| embryo | a young plant that develops from the zygote |
| cotyledons | seeds that have and embryo that has one or more seed leaves |
| germination | occurs when the embryo begins to grow again and pushes out of the seed |
| root cap | protects the root from injury from rocks as the root grows through the soil |
| cambium | divides to produce new phloem and xylem |
| transpiration | process by which water evaporates from a plant's leaves |