| A | B |
|---|
| bryophyte | nonvascular plants |
| tracheophytes | vascular plants |
| nonvascular plants | plants with no specialized parts; they have no leaves, stems, or roots |
| vascular plants | plants with organs called leaves, stems, and roots |
| xylem | plant tissue used to move water and nutrients up to the leaves of the plant |
| phloem | plant tissue used to carry food from the leaves down to the rest of the plant |
| annuals | plants that grow, reproduce and die in one season |
| perennials | plants that live and reproduce for many years |
| stems | provide support for the plant, transport materials, and act as storage |
| leaves | part of plant where photosynthesis happens |
| petiole | tube-like structure at base of leaf that attaches it to the stem |
| blade | broad, flat part of leaf |
| vein | tiny, tube-like structures that transport water within the leaf |
| transpiration | process where water vapor is released from a leaf |
| monocot | long, thin leaf where veins are parallel to each other |
| dicot | broad, flat leaves where veins branch out in several directions |
| grass, pine needles, cactus spines | examples of monocot leaves |
| maple leaves, poison ivy leaves | examples of dicot leaves |
| flowers | leaves adapted for reproduction |
| angiosperms | flowering plants |
| roots | anchor plants, provide support, absorb water and nutrients, and provide storage |
| taproot | large, single root |
| fibrous roots | many small, shallow roots that branch out from the base of the plant |
