| A | B |
| PHLOEM | The vascular tissue through which food moves in some plants |
| XYLEM | The vascular tissue through which water and nutrients move in some plants |
| SEED | The plant structure that contains a young plant inside a protective covering |
| EMBRYO | The young plant that develops from a zygote |
| COTYLEDON | a seed leaf that stores food |
| GERMINATION | The early growth stage of the embryo plant in a seed |
| STOMATA | The small openings on the undersides of most leave through which oxygen and carbon dioxide can move |
| TRANSPIRATION | The process by which water is lost through a plant’s leaves |
| CAMBIUM | The layer of cells in a plant that produces new phloem and xylem cells |
| ROOTCAP | A structure that covers the tip of a root, protecting the root from injury |
| GYMNOSPERM | A plant that produces seeds that are not enclosed by a protective covering |
| CONE | The reproductive structure of a gymnosperm |
| POLLEN | Tiny particles produced by plants that contain the microscopic cells that later become sperm cells |
| OVULE | A plant structure in seed plants that contains an egg cell |
| POLLINATION | The transfer of pollen from male reproductive structures to female reproductive structures in plants |
| ANGIOSPERM | A plant that produces seeds that are enclosed in a protective structure |
| OVARY | An organ of the female reproductive system in which eggs and estrogen are produced |
| FLOWER | The reproductive structure of an angiosperm |
| PETAL | One of the colorful, leaflike structures of a flower |
| SEPAL | A leaflike structure that encloses the bud of a flower |
| STAMEN | The male reproductive part of a flower |
| PISTIL | The female reproductive part of a flower |
| FRUIT | The ripened ovary and other structures that enclose one or more seeds of an angiosperm |
| MONOCOT | An angiosperm that has only one seed leaf |
| DICOT | An angiosperm that has two seed leaves |
| TROPISM | The growth response of a plant toward or away from a stimulus |
| HORMONE | A chemical that affects a plant’s growth and development |
| AUXIN | The plant hormone that speeds up the rate of growth of plant cells |