biology

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Across
  1. 3. the pale part in sexual reproduction.
  2. 5. base of radicle.
  3. 9. the joining of male and female cells to produce a zygote.
  4. 11. powdery substance that produce male gametes.
  5. 13. one of the conditions needed for seed germination and needed for the embryo to respire.
  6. 14. the transfer of pollen grains from the anthers of one flower to the stigma of another flower of the same species.
  7. 16. a characteristic of fruits that can attract animals to disperse them.
  8. 17. the transfer of pollen grains from the anther to the stigma.
  9. 20. the transfer of pollen grains from an anther to the stigma in the same flower.
Down
  1. 1. part of the plant that turned into a fruit
  2. 2. a tube that connects the stigma to the ovary.
  3. 4. true petals.
  4. 6. .... pollinated flowers have smooth pollens, large anthers, and flowers that hangs down.
  5. 7. the last stage in sexual reproduction in plants.
  6. 8. water enters before germination.
  7. 10. base of plumule.
  8. 12. part pf a flower that mainly attract insects because of their colours.
  9. 15. a smell.
  10. 18. where fertilisation happens.
  11. 19. contains a food store used by the embryo plant.