BIOLOGY: Angiosperms- roots
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Created by:
jasper_sparkles_2 on November 1, 2009
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11 terms
Terms | Definitions |
|---|---|
 five | roots have _____ kinds of cells |
| epidermis | the outer layer of protective cells on the root; form a ring around outside of root |
| root hairs | long, thin hairs of the epidermis that absorb water and nutrients |
| cortex | the layer of food storing cells next to the epidermis |
| endodermis | the ring of tissue within the cortex that protects the xylem and phloem |
| phloem | found inside/ next to the endodermis cells; carries food to other cells |
| xylem | the center of the roots; carries water to all cells in the plant |
| bigger | xylem is ______ than phloem |
| root cap | prevents root cells from dying |
| tap root | main root that goes down to the water supply; all of the other roots grow off of it |
| sucks up water and minerals | purpose of root |
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