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Ch 8.3 vocab
Chapter 8 Science Vocab
| Term | Definition |
|---|---|
| phloem | the vascular tissue through which food moves |
| xylem | water and minerals travel in this 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 | young plant that develops from the zygote,or fertilized egg |
| cotyledon | In all seeds, the embryo 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 the rocks as the root grows through the soil |
| cambium | layer of cells which divide to produce new phloem and xylem |
| transpiration | the process by which water evaporates from a plant's leaves |