crossword
Across
- 1. vascular plants that do not flower, generally have needlelike or scalelike leaves, and produce seeds that are not protected by fruits
- 3. species that breaks down rock and build up decaying plant material so that other plants can grow
- 5. angiosperm with one cotyledon inside its seed, flower parts in multiples of three, and vascular tissues in bundles scattered throughout the stem
- 9. plant with tubelike structure that move minerals, water, and other substances throughout the plant
- 11. vascular tissue that produces xylem and phloem cells as a plant grows
- 12. chemical compound made out of sugar that provides structure and support
- 14. vascular tissue that forms hollow vessels that transports substances, other than sugar throughout the plant
- 15. tiny opening in a plants edidermis through which carbon dioxide, water vapor and oxyen enter and exit
Down
- 2. threadlike structure that anchor nonvascular plants to the ground
- 4. waxy, protective layer that covers the leaves, stems, and flowers of many plants and helps prevent water loss
- 6. pairs of cells that surround stomata and control their opening and closing
- 7. vascular tissue that forms tubes that transports dissolved sugar throughout a plant
- 8. flowering vascular plants that produce fruits containing one or more seeds
- 10. angiosperm with two cotyledons inside its seed, flower parts in multiples of four or five, and vascular bundles in rings
- 13. plant taht absorbs water and other substances directly through its cells wall