Science tic tac toe - crossword puzzle

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Across
  1. 3. male and female parts of the plant that protect the gametes
  2. 5. pores that allow special gases into and out of the plant
  3. 10. the coming together of a sperm and egg cell
  4. 11. female gamethophytes that bears a single egg
  5. 12. seedless plants that look like small trees
  6. 13. plants that dont have seeds
  7. 15. group that includes green algae and land plants
  8. 17. male gamethophytes that form sperm cells
  9. 19. the covering to the epidermis of many plants
  10. 21. where spores form and mature
Down
  1. 1. the main body and support of the plant
  2. 2. where the egg and sperm are made
  3. 4. a stem, and roots
  4. 5. allows exchange of gases through the cuticle
  5. 6. Living vascular tissue that distributes glucose through the plant
  6. 7. Non-living vascular tissue that brings water and from roots to the plant
  7. 8. will grow into gamethophytes
  8. 9. plants with stems
  9. 14. plants without stems
  10. 16. a living organism that usally has
  11. 18. type of seedless vascular plant
  12. 20. Tissue that supports plants to grow tall and helps distribute water and nutrients though the