science

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