Plants Crossword Puzzle

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Across
  1. 3. the part of the ovary of seed plants that contains the female germ cell and after fertilization becomes the seed.
  2. 4. - the part of a stamen that contains the pollen.
  3. 10. a slender threadlike object or fiber, especially one found in animal or plant structures.
  4. 12. An agent that moves pollen, such as a bee or water
  5. 15. a female reproductive organ in which ova or eggs are produced, present in humans and other vertebrates as a pair.
  6. 16. Self-pollination which occurs before a flower even opens
  7. 20. When a plant is pollinated by insects
  8. 21. the female organs of a flower, comprising the stigma, style, and ovary.
Down
  1. 1. male fertilizing organ of a flower, typically consisting of a
  2. 2. The hairy area on a bee’s hind legs where pollen collects
  3. 5. Pollination between plants of different species
  4. 6. Pollination by water
  5. 7. A plant that generates pollen
  6. 8. Cross-pollination, when pollen from one flower is delivered to the flower of a different species of plant
  7. 9. anther and a filament.
  8. 11. Self-pollination, when pollen moves from the male parts of a flower to the female part of the same flower, or another flower on the same plant
  9. 13. a fine powdery substance, typically yellow, consisting of microscopic grains discharged from the male part of a flower or from a male cone. Each grain contains a male gamete that can fertilize the female ovule, to which pollen is transported by the wind, insects, or other animals.
  10. 14. of the parts of the calyx of a flower, enclosing the petals and typically green and leaflike.
  11. 17. When a plant is pollinated by vertebrates, such as birds and bats
  12. 18. Pollination by wind
  13. 19. the part of a pistil that receives the pollen during pollination