| A | B |
|---|
| cytoskeleton | the long, thin protein fibers that form a cell’s framework |
| polar nuclei | the two nuclei in the center of a megaspore |
| endosperm | tissue that provides nourishment to the developing embryo of flowering plants |
| seed coat | protective tissue that forms from the hardening of the outside layers of the ovule |
| germination | process in which a seed’s embryo begins to grow |
| radicle | irst part of the embryo to emerge from the seed and begin to absorb water and nutrients from the environment |
| Hypocotyl | region of the stem nearest the seed |
| dormancy | period of little or no growth that varies from species to species; an adaptation that increases the survival rate of seeds in harsh environments |
| compatible | capable of functioning together |
