Reproduction in Plants

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Across
  1. 2. What the ovary develops into.
  2. 4. This structure helps seeds to stay afloat in air longer.
  3. 7. This describes the outer covering of fruits that contains air spaces.
  4. 11. Flowers pollinated by them are large, brightly-coloured and scented.
  5. 13. The process where the male and female reproductive cells fuse.
  6. 14. This describes a fruit that attracts animals to eat it.
  7. 15. Other than water, plants compete to take in this from the soil.
  8. 16. They wither and drop off during fruit formation.
  9. 17. What a seed develops from.
  10. 18. This is the transfer of pollen grains from the anther to stigma.
Down
  1. 1. The male cell which moves down the style carries genetic material in this part.
  2. 3. Seeds which are light with fine hairs are easily lifted by these currents.
  3. 5. It attracts animals to move into the flower.
  4. 6. Other than stiff spikes, these allows a seed to attach itself to the fur of an animal.
  5. 8. Seeds dispersed in this way have pod-like structures that harden when ripe.
  6. 9. This abiotic factor helps in pollination and fertilisation.
  7. 10. Seeds are dispersed to reduce the chances of this occurrence.
  8. 12. Having this allows a plant to spread out its leaves to trap more light.
  9. 13. Other than being large, the stigma of wind-pollinated plants may be this.
  10. 14. It supports the anther.