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science lesson
chapter 5 lesson 1
| Question | Answer |
|---|---|
| phloem | a vascular tissue through which food moves. |
| xylem | a vascular tissue through which water and vitamins moves. |
| pollen | tiny structures that contain cells that will later become sperm cells. |
| seed | a structure that contains a young plant inside a protective covoring. |
| embryo | fertilized egg. |
| cotyledons | one or more seed leaves |
| germination | when fertilized egg begans to grow again and pushes out of the seed. |
| root cap | protects the root from injury of the rocks as the roots grows through the soil. |
| cambium | a layer of cells |
| stomata | pores |
| transpiration | the process in which the water eveporates water. |