Across
- 2. the transfer of pollen from the male reproductive structure (stamen) to the female reproductive structure (pistil)
- 4. tiny structures that control the size of the stomata
- 6. plants that form seeds in cones
- 7. structures that are adapted for sexual reproduction in conifers
- 9. vascular plants; include seedless plants such as ferns and both nonflowering and flowering seed plants
- 12. tubelike structure that attaches a leaf to its stem
- 13. a seed plant that produces seeds enclosed in fruits
- 15. plant embryo and its food supply encased in a protective covering
- 16. early stage in the development of an organism
- 17. tissue that moves water and nutrients from the ground upward in the plant
Down
- 1. tissue tissue that transports water and nutrients in other plants
- 3. plants that lack specialized tissues for the transport of water
- 5. small opening in a plant that allows carbon dioxide, water, and oxygen to diffuse into and out of the leaf
- 8. tubelike structures that transport water in the leaf
- 10. tiny, waterproof reproductive cell that can grow into a new organism if it falls on soil with the right conditions
- 11. broad, flat part of the leaf
- 14. tissue that carries food made in a plant's leaves down to other plant parts