Across
- 2. type of plant with vascular tissues adapted to land environments; most widely distributed type of plant on Earth
- 5. openings in the outer cell layer of leaf surfaces and some stems that allow the exchange of water, carbon dioxide, oxygen, and other gases between a plant and its environment
- 8. structure that stores food or helps absorb food for the sporophyte of vascular seed plants
- 9. specialized tissue that transports water, food, and other substances in vascular plants and can also provide structure and support
- 12. that contains male of female reproductive structures of cycads and other gymnosperms
- 13. sac or case in which fungal spores are produced
- 14. plant that completes its life span in one growing season
- 15. plant that lives anchored to an object or to another plant
Down
- 1. compact cluster of spore-bearing structures in some seedless vascular plant sporophytes
- 3. liverwort with a fleshy, lobed body shape
- 4. adaptive reproductive structure of some vascular plants that contains an embryo, nutrients for the embryo, and is covered by a protective coat
- 6. type of plant that lacks vascular tissues, moves substances slowly from cell to cell by osmosis and diffusion, and grows only in a damp environment
- 7. that can live for several years
- 8. fern structure formed by clusters of sporangia, usually on the undersides of a frond
- 10. plant with a two-year life span
- 11. fern's thick underground stem that functions as a food-storage organ