Science Crossword Puzzle

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Across
  1. 8. , occurs when the life cycle of an organism alternates between diploid and haploid generations.
  2. 12. , The male reproductive organ of a flower is the
Down
  1. 1. , occurs when pollen grains land on a female reproductive structure of a plant that is the same species as the pollen grains.
  2. 2. , grains forms from tissue in a male reproductive structure of a seed plant.
  3. 3. , forms from tissue in a male reproductive structure of a seed plant.
  4. 4. , The daughter cells produced from haploid structures.
  5. 5. , sometimes other parts of the flower will develop into a
  6. 6. , at the base of the style is the
  7. 7. , the female reproductive organ of a flower is the
  8. 9. , the female reproductive structure of a seed plant where the haploid egg develops is called the
  9. 10. , A zygote forms and develops into a
  10. 11. , Its food supply and a protective covering make up a