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Chapter 21 Vocab
| Question | Answer |
|---|---|
| Stomata | Opening in the outer cell laer of leaf surfaces and some stems that allow the exchange of water, carbon dioxide oxygen, and other gases between a plant adn its environment |
| Vascular tissue | Specialized tissue taht transports water, food, and other substances in vascualr plants and can aslo provide structure and support |
| Vascular Plant | Type of plant with vascular tissues adapted to land environments |
| Nonvascular Plant | Type of plant that lacks vasucalr tissues, moves subtances slowly from cell to cell by osmosis and diffusion, and grows only in a damp environment |
| Seed | Adaptive reproductive stucture of some vascular plants that contains an embryo, nutrients for the embryo, and is covered by a protective coat |
| Thallose | Liverwort with a flshy, lobed body shape |
| Strobilus | Compact cluster of spore-bearing structures in some seedless vascular plant sporophytes |
| Epiphyte | Plant that lives anchored to an object or to another plant |
| Rhizome | Fern's thick underground stem that functions as a food-storage organ |
| Sporangium | Sac or case in which fungal spores are produced |
| Sorus | Fern structure formed by clusters of sporangia, usually on the undersiders of a frond |
| Cotyledon | Seed structure that stores food or helps absorb food for the sporophyte of vascular seed plants |
| Cone | Feature that contians male or female reproductive structures of ctcads adn other gymnorpserms |
| Annual | Plant that completes its life span in one growing season or less |
| Biennial | Plant with a two-year life span |
| Perennial | Plant that can live for several years |