science
Across
- 3. - surround and protect seeds
- 4. - spore-producing plant
- 6. - small openings in the epidermis that allow carbon dioxide, water, and oxygen to diffuse into and out of the leaf
- 8. - structure containing one or more matured ovaries
- 10. - plant embryo and its food supply encased in a protective covering
- 12. - transfer of pollen from male reproductive structure to female reproductive structure
- 13. - transports nutrients and carbohydrates produced by photosynthesis
- 14. - gamete-producing plant
- 15. - number of seed leaves in embryos
Down
- 1. - water-conducting cell; hollow tubelike cells with thick cell walls
- 2. - large primary root
- 5. - flowering plant with two seed leaves
- 7. - specialized ground tissue cells, where photosynthesis occurs
- 9. - tissue that carries water upward from the roots to every part of plant
- 11. - flowering plant with one seed leaf