Chapters 21 - 24 The Plant Kingdom Vocabulary List
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47 terms
Terms | Definitions |
|---|---|
 Leaf | A broad, flat structure of a plant that traps light energy for photosynthesis. |
| Cuticle | A waxy waterproof coating. |
| Nonvascular Plant | Do not have vascular tissues. |
| Root | Plant organ that absorbs water and nutrients from the soil. |
| Seed | Contains an embryo, along with a food supply, covered by a protective coat. |
| Stem | Provides structural support for upright growth and contains tissues for transporting foods. |
| Vascular Plant | Have vascular tissues. |
| Vascular Tissue | Made up of tubelike, elongated cells through which water, food, and other materials are transported |
| Cone | Scaly structures that support male or female reproductive structures |
| Frond | Seedless vascular plants. |
| Rhizome | Thick underground stem |
| Annuals | Trees that live for a year or less. |
| Biennials | Have a life span that lasts two years |
| Cotyledon | Tiny seed leaves that store or absorb food for the developing embryo. |
| Deciduous Plants | Lose all their leaves at the same time. |
| Dicotyledon | Have two seed .leaves. |
| Embryo | The earliest stage of an organism's development |
| Fruit | The ripened ovary of a flower |
| Monocotyledons | Have one seed leaf |
| Ovule | The female gametophyte is contained within a sporophyte |
| Perennials | Live for several years producing flowers |
| Pollen Grain | Includes sperm cells, nutrients, and a protective outer covering. |
| Apical Meristem | Found at or near the tips of roots or stems |
| Collenchyma | Long cells with unevenly thickended cell walls |
| Cork Cambium | Producers a tough covering for the stem and roots |
| Epidermis | Composed of flattened parenchyma cells that cover all parts of the plant. |
| Meristem | Regions of actively dividing cells. |
| Phloem | Made up of a series of tubular cells |
| Parenchyma | Most abudant kind of plant cells |
| Sclerenchyma | Have very thick and rigid walls. |
| Stomata | Openings in the cuticle of the leaf |
| Vascular Cambium | Produces new xylem and phloem cells in the stems and roots |
| Vessel Element | Tubular cells that transport water throughout the plant |
| Xylem | Plant tissue composed tubular cells |
| Endodermis | Single layer of cells that forms a waterproof seal |
| Mesophyll | The photosynthetic tissue of a leaf |
| Petiole | The stalk of some leaves |
| Root Cap | Covers the tip of each root withs its tough, protective layer of parenchyma cells |
| Anther | At the tip of the stamen |
| Ovary | The bottom portion of the pistil enlarges |
| Petals | Leaflike structures arranged in a circle around the top of a flower stem |
| Pistil | The female structure of a flower |
| Sepals | Leaflike and encircle the flower stem beneath the petals |
| Stamens | Male reproductive structure |
| Dormancy | The period of inactivity in a mature seed |
| Endosperm | The food storage tissue that supports development of the embryo |
| Germination | The beginning of development of embryo into a new plant. |
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