| Term | Definition |
| xylem | the tubes that transportwater and minerals in vascular plants |
| phloem | the tubes that transport food in vascular plants |
| chlorophyll | a pigment,or coloring matter,that helps plants use lightenergy to produce sugar |
| nonvascular | not having xylem and phloem;said of some plants |
| vascular | term that describes a plant with xylem and phloem |
| spore | a single reproductive cell that grows into a new plant |
| gymnosperm | a plant with unprotected seeds;conifer or cone- bearing plant |
| pollen | flower structures that contain the male reproductive cells |
| angiosperm | a flowering plant |
| grain | the seed of certain plants |
| fiber | any material that can be seperated into threads |