| A | B |
|---|
| cuticle | the waxy, waterproof layer that covers the leaves and stems of some plants |
| tissue | a group of similar cells that perform a specific function in an organism |
| vascular tissue | the internal transporting tissue in some plants that is made up of tubelike structures |
| fertilization | the joining of a sperm cell and an egg cell |
| zygote | a fertilized egg, produced by the joining of a sperm and an egg |
| sporophyte | the stage in the life cycle of a plant in which the plant produces spores for reproduction |
| gametophyte | the stage in the life cycle of a plant in which the plant produces gametes, or sex cells |
| gamete | a sperm cell or an egg |
| nonvascular plant | a low-growing plant that lacks vascular tissue |
| rhizoid | the thin, rootlike structure that anchors a moss and absorbs water and nutrients for the plant |
| bog | a wetland where sphagnum moss grows on top of acidic water |
| peat | the blackish-brown material consisting of compressed layers of dead sphagnum mosses that grow in bogs |
| vascular plant | a plant that has vascular tissue |
| frond | the leaf of a fern plant |
| hydroponics | the method of growing plants in a solution of nutrients instead of in soil |
