| Term | Definition |
|---|
| cuticle | a waxy, waterproof layer covering the leaves of most plants to prevent water loss |
| vascular tissue | a system of tubelike structures inside a plant through which water, minerals, and food move |
| zygote | the fertilized egg |
| nonvascular plant | plants that lack a well-developed system of tubes for transporting water and other materials |
| vascular plant | plants with true vascular tissue |
| sporophyte | the stage in which the plant produces spres |
| gametophyte | the stage in which the plant produces two kinds of sex cells |
| rhizoid | thin, rootlike structures to anchor moss and absorb waterand nutrients from the soil |
| frond | a fern's leaf |
| phloem | the vascular tissue through which food moves |
| xylem | the vascular tissue through which water and minerals move |
| pollen | tiny structures that contain the cells that will later become sperm cells |
| seed | a structure that contains a young plant inside a protective covering |
| embryo | the young plant that develops from the zygote |
| cotyledon | seed leaves that sometimes store food |
| germination | what occurs when the embryo begins to grow and pushes out of the seed |
| root cap | the structure that protects the root from injury from rocks as the root grows through the soil |
| cambium | a layer of cells which divide to produce new phloem and zylem |
| transpiration | the process by which water evaporates from a plant's leaves |
| gymnosperm | a seed plant that procuces naked seeds (not enclosed in a protected fruit) |
| ovule | a structure that contains an egg cell |
| pollination | the transfer of pollen from a male reproductive structure to a female reproductive structure |
| angiosperm | a flowering plant that produces seeds enclosed ina protective structure (fruit) |
| flower | the reproductive structure of an angiosperm |
| sepal | leaflike protective structures surrounding a bud |
| petal | the most colorful parts of a flower meant to attract pollinators |
| stamen | the male reproductive parts |
| ovary | the hollow structure that protects the seeds as they develop |
| fruit | a ripened ovary and othre structures that enclose one or more seeds |
| monocot | angiosperms with only one seed leaf |
| dicot | angiosperms with two seed leaves |
| pistil | the female parts that are found in the center of most flowers |
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