Cells, Tissues, Organs and Systems

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Across
  1. 3. A zygote developes into this.
  2. 6. Gymnosperms produce these inside cones.
  3. 7. The total number of chromosomes in a human body is 46.
  4. 11. This gamate is produced in the male gonads.
  5. 13. The differences in characteristics caused by genetics and environment.
  6. 16. Non-flowering plants.
  7. 18. Specialized cells used for reproduction.
  8. 20. Gamates from two parents combine.
  9. 21. The female reproductive organ in plants.
  10. 24. The process where a seed begins to grow.
  11. 25. Organism with male and female reproductive organs.
  12. 26. This type of reproduction occurs inside the body.
  13. 27. A cause of dispersal of seeds.
Down
  1. 1. Flowering plants.
  2. 2. Human gamates have 23 chromosomes.
  3. 4. These organisms reproduce once in their lifetime.
  4. 5. Male gonads.
  5. 8. The male reproductive organ in plants.
  6. 9. The sticky part of the pistil in a plant.
  7. 10. This organism is an example of a hemaphrodite.
  8. 11. Plants such as moss reproduce using these
  9. 12. This gamate is produced in female gonads.
  10. 14. The process where pollen grains reach the ovule of a plant
  11. 15. Female gonads.
  12. 17. The transfer of DNA caused by cell to cell contact.
  13. 19. Pollen is produced in this part of a plant.
  14. 22. New cell formed during fertilization
  15. 23. This type of reproduction occurs outside the body.